Mathematics Middle School

Estimate each number as a single digit times a power of ten.

Drag expressions to complete the table.

Each expression may be used once or not
at all

Estimate Each Number As A Single Digit Times A Power Of Ten. Drag Expressions To Complete The Table.

Answers

Answer 1
3 is the correct answer
Answer 2

The scientific estimated form of the numbers are,

0.0000000043 = 4×10⁻⁹, 43560000000 = 4×10¹⁰, 56234567 = 5×10⁷, 0.000023456 = 2×10⁻⁵.

What is scientific notation?

In scientific notations numbers are written in the form of a base that is

0  ≤ b < 10 and multiplied by 10ⁿ where n represents integers.

We write large standard numbers in the scientific form in a compact manner.

The number 0.0000000043 has 9 digits after the decimal so the estimated as 4×10⁻⁹.

The number 43560000000 can be written as 4×10¹⁰.

The number 56234567 can be written as 5×10⁷.

The number 0.000023456 can be written as 2×10⁻⁵.

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Related Questions

What is the prime factorization of 96?

2 5 · 3 2
2 5 · 3
2 · 2 · 2 · 2 · 3
8 · 12

Answers

Answer:

C would be the answer 22223

Step-by-step explanation:

Hope this helps!

Answer: Prime factorization of 96 is 2 × 2 × 2 × 2 × 2 × 3 or two to the fifth power multiplied by 3

Step-by-step explanation:

96

| \  

48   2

| \  

24   2

| \  

12   2

| \  

6   2

| \  

3   2

What property justifies Step 3 in solving this equation?
3(2x - 5) = 4x – 12
Distributive property
Subtraction property of equality
Step 1: 6x – 15 = 4x – 12
Step 2: 2x – 15 = -12
Step 3: 2x = 3
Step 4: x = Ź
3
Division property of equality

Answers

The answer is Division property of equality. This is because at Step 3, you have to divide to get your final answer. It cannot be the other ones because you do not subtract or distribute in step 3.
Division just look at the first part you can tell because there multiplying the numbers...

Megan bought 3 tickets to the ballet for $57.50. How much would it cost for her to buy 15 tickets?
$172.50
$230.00
$287.50
$862.50

Answers

Answer:

$287.50

I'm really good at math plus i asked google

I think it’s the 3rd one I’m pretty sure

There are _______ of galaxies in the _______.
A.
billions; universe
B.
billions; solar system
C.
millions; solar system
D.
millions; universe

Answers

Answer: The answer is A

Step-by-step explanation:

Archimedes drained the water in his tub.
The Amount of water left in the tub (IN MINUTES) is Graphed.
HOW LONG DID IT TAKE THE WATER TO COMPLETELY DRAIN?_______ Minutes.

Answers

5 minutes so 72 liters were drained per minute
5 minutes/ 72 liters per minute

On the graph, two right triangles have the line as the hypotenuse. In this task, you will use these triangles to show that the slope between points E and A is the same as the slope between points A and C.


Q1:
Which angles of the triangles measure 90°?

Q2: To show that the other two angle measurements in each triangle are equal, you can use parallel lines cut by a transversal. Which two pairs of line segments formed by triangle sides are parallel, and what is the transversal for each pair?

Answers

Answer:

1.The 6th one

2. The pairs can be (6, 8)

Step-by-step explanation:

We know that, the Slope is always given as [tex]\bold{\dfrac{Rise}{Run}}[/tex], where the rise is the vertical height of the slope and run is the horizontal length of the slope.

For Δ ADE,

rise = DE = 4 units,

run = DA = 6 units,

[tex]\bold{slope = \dfrac{Rise}{Run} =\dfrac{4}{6} = \dfrac{2}{3}}[/tex]

For Δ ABC,

rise = AB = 2 units,

run = BC = 3 units,

[tex]\bold{slope = \dfrac{Rise}{Run} = \dfrac{2}{3}}[/tex],

Thus, the slope of line EA and AC is equal.

We know in a Right Angle Triangle the side opposite to the right angle is the longest side and it is known as hypotenuse.

As already mentioned in the question " two right triangles have the line as the hypotenuse", which means line EA and line AC are already said as the hypotenuse of the triangles. therefore, the angle opposite to them is the right angle in the triangles.

1.)  

In ΔABC, the hypotenuse is the line AC, therefore, the right angle is the opposite angle which is ∠ABC.

Similarly,  In ΔEDA, the hypotenuse is the line EA, therefore, the right angle is the opposite angle which is ∠EDA.

2.)

Parallel lines are those lines that always maintain the same distance between them and will never meet. whereas, a transversal is a line that crosses two or more parallel lines. As shown in the image below,

Here, there are two pairs of parallel lines cut by a transversal

Pair I:   line ED and line AB are a pair of parallel lines, can be easily seen if both the lines are extended, while AD (or x-axis), line BC(only if extended), and line EC are the transverses between them.

Pair II:  line DA and line BC are a pair of parallel lines, can be easily seen if both the lines are extended, while AB (or y-axis), line ED(only if extended), and line EC are the transverses between them.

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Evaluate the expression. [tex]9/20 + (-18/20) + 17/20 + (-16/20 + . . . + (-4/20) + 3/20 + (-2/20) + 1/20[/tex]

Answers

Answer:

so the first one is 0.4 and the second one is -0.1 soo

im getting that you add them so it would be -0.5

Step-by-step explanation:

hope this helps

-KB

-0.5 is the correct answer.

A family’s vacation destination is 850 miles from their home. They travel by car 6 hours on the first day of their trip. Their average speed is 45 miles per hour. The next day they travel 7 hours, averaging the same speed. How many miles are left for the family to travel?

Answers

Answer:

The distance traveled is equal to the product of the speed and the time. For the first day,

                                     d = (45 mile/h)(6 h) = 270 miles

On the second day,

                                     d = (45 mile/h)(7 h) = 315 miles

The total distance traveled after 2 days is equal to 585 miles. Subtracting this value from the given distance will give us an answer of 265 miles.  

Step-by-step explanation:

6x45=270, 7x45=315, 270+315=585, 850-585=265

265 miles left

A recylcying center was offering cash for different types of recylcables. For each pound of copper they paid $1.48. For each pound of aluminum they paid $1.55. And for each pound of plasic they paid $0.30. Jesse took in 50 pounds of copper, 15 pounds of aluminum, and 10 pounds of plastic. How mush money was he paid for his recyclables?

Answers

Answer: (1.48 x 50) + (1.55 x 15) + (0.30 x 10) = 100.25 .
coppers= $74 aluminum= $23.25 plastic= $3. total should be 100.25 .

help plz

A certain ceiling is made up of tiles. Every square meter of ceiling requires 10.75 tiles.

What is the value of the red X?

Answers

Answer:

Its in the sentence you wrote.

Step-by-step explanation:

Every SQUARE METER of the ceiling requires 10.75 tiles. So, logically the answer would be 10.75

Your answer will be 10.75 :)

a recipe for cookies requires 1/3 cup of butter. annelise wants to make 2/5 of the recipe. how many cups of butter should annelise use to make the cookies?

Answers

Answer: I think 3/5. Sorry if it is wrong. Pretty sure it is right though.

Step-by-step explanation:

Find the area of the triangle.

Answers

Answer:

It would be a 4 height and then a 6 length= 24units sq

Step-by-step explanation:

what is 2+2 first person to answer will get brainliest

Answers

Answer:

4

Step-by-step explanation:

Answer: 22

Step-by-step explanation:

The maximum height of a vehicle that can safely pass under a bridge is 12 feet 5 inches. A truck measures 162 inches in height. Which best explains whether or not the truck can pass safely under the bridge? (With explanation)

Answers

Answer: first figure out what 162 is in feet then check if is more then 12.5 if it is the truck can not pass through there if is 12.5 or less the truck can pass through there safely

Step-by-step explanation:

Answer:b

Step-by-step explanation: 12x12+5=149

162 is larger than 149 by 13 inches

Please answer soon!

The length of a rectangle is five times its width.
If the perimeter of the rectangle is 120 in, find its length and width.

Thanks!

Answers

That answer is 4500 length

Answer:

length=100 width=20

Step-by-step explanation:

20x5 is 100 and add 20 to that and you get 120

The area of the Pacific Ocean is about 6.0061×10^7 square miles. The area of the Southern Ocean is about 7.8483×10^6 square miles. Approximately how many times larger is the area of the Pacific Ocean than that of the Southern Ocean?




The Pacific Ocean is approximately _______ A)8 B)9 C)13 D)20 .....................

...............times larger in area than the Southern Ocean.

Answers

Its A. 8

It is i had this question too
A:8 Glad to help do you think you can help me with some of my questions?

Last question of the day........
Was Orange a Color or A fruit First?

Answers

Answer:

colour

Step-by-step explanation:

Technically, orange is both a color and a fruit

complete the table!!!

Answers

Answer:

Your Commission is $30.72

Step-by-step explanation:

A restaurant has 26 tables in its dining room. It takes the waitstaff 10 minutes to clear and set 4 tables. At this rate, how long will it take the waitstaff to clear and set all the tables in the dining room?

Answers

Answer:

It'll take one whole hour

Step-by-step explanation:

26 / 4 = 6

6 x 10 = 60 mins

60 mins = 1hr

Jon invested $4,00 Into an account that pays 5 percent simple interest per year. What is the total balance in the account after 3 years?

Answers

Answer:

he would have $4,715

Step-by-step explanation:

The masses of two objects are compared during a physics experiment. It is determined that object A has a mass of 4×10^−3 grams and object B has a mass of 4×10^−4 grams. How many times larger is the mass of object A than the mass of object B?




A)0.1


B)0.4


C)10


D)40

Answers

A is 0.1 times larger than B

Which of the following best describes the location of the polar easterlies?
Group of answer choices

A 60 to 90 degrees north and south latitude

B 0 to 30 degrees north latitude

C 60 to 90 degrees south latitude

D30 to 60 north and south latitude

Answers

Answer:

best describes the location of the polar easterlies?

Step-by-step explanation:

Polar easterlies The polar easterlies (also Polar Hadley cells ) are the dry, cold prevailing winds that blow from the high-pressure areas of the polar highs at the north and south poles towards low-pressure areas within the Westerlies at high latitudes. [ 1 ]

hope this helped :)

Among all the given descriptions, the one that describes the location of the polar easterlies is: “60 to 90 degrees north and south latitude.” Hence, Option A is correct.

What are polar easterlies?

Dry, chilly polar easterlies are the dominant winds that originate in the east. They come from the polar highs, which are pressure ridges located around the North and South Poles.

Low-pressure zones in subpolar regions receive polar easterlies. At midlatitudes, the dominant winds are westerlies, which originate in the west.

Polar easterlies are the cold, dry, and dominant winds that surround the high-pressure zones of the polar highs at the North and South Poles in the study of Earth's atmosphere.

The constant winds that blow in the middle latitudes are known as westerlies. They blow in the direction of subpolar low pressure belts from subtropical high pressure belts.

Compared to the westerlies in the Northern hemisphere, the westerlies in the Southern hemisphere are stronger and more reliable.

Therefore, Option A is correct.

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FIFTY!!!!! POINTS TO ANSWER ALL OF THESE:
1. x to the second power + 10 = 131 (solve for x)
2. x to the second power - 56 = 88 (solve for x)
3. x to the third power + 15 = 79 (solve for x)
4. 3x to the second power = 108 (solve for x)
5. 4x to the third power = 32 (solve for x)
6. 330 = 2x to the third power + 80 (solve for x)
7. x to the second power ÷ 3 = 27 (solve for x)
8. x to the second power ÷ 2 + 14 = 22
9. x to the third power ÷ 2 + 59 = 91
Thanks in advance!

Answers

1. x=11
2. x=12
3. x=16
4. x=6
5. x=2
6. x=125
7. x=9
8. x=4
9. x=4

please help me with this

Answers

Answer:

7.8

3.3 x 10^3

2.1 x 10^-3

3.7

Step-by-step explanation:

ez

3.7 hope this is right

Darius and Donovan sell song's online. Darius had 4 x 10^6 downloads. Donovan had 8 x 10^5 downloads. How many times is the number of downloads that Donovan sold than the number of downloads that Darius sold.

Answers

Answer:

...lts just say he had alot

Step-by-step explanation:

Divide.

15÷(−5)

Drag and drop the correct number into the box to complete the sentence.

The quotient is [Response area].

Answers

Answer:

-3

Step-by-step explanation:

Answer:

The answer is -3

Step-by-step explanation:

Because dividing each number you get a negative. Remember that a negative and a positive make a negative. so just divide normally and put a negative sign in front of it.

Also can you mark me Brainliest. Thanks in advance!

Sanjay can travel 342 miles in 6 hours. At this rate, how far can he travel in 5 hours? ​

Answers

Sanjay can travel 285 miles in 5 hours

285

All you need to do is divide 342 by 6 then times said number by 5

The question is in the attachment (I will make you brainliest)

Answers

Answer:

$25 are left in Rochelle's account :)

Step-by-step explanation:

200-100-75= 25

Answer:

she has 25$ left in her bank

Step-by-step explanation:

if she made 3 withdrawals that's 3x25 wich is 75 then 75-200 is 125 then withdrawing another 100$ she has 25# left

Calculate the fraction/decimal

Answers

Fraction: 2.8/1.56
Decimal: 1.794871
70/39, I’m not 100 percent sure, but I think it is right. Hope this helped.

help! answer as many as you can

Answers

21.425,000
22.0.57
23.0.96
24.25
25.0.5
26.0.17
27.435.1
28.317,000
29.5,500
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