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Brrunno [24]
3 years ago
9

(-4) (-4) rewrite expression use exponent rather then repeating multiplication

Mathematics
1 answer:
vekshin13 years ago
4 0

Answer:4^2 or (-4)^2

Step-by-step explanation:

I don't really know how to explain it. I can try if you want

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The diameter of Mercury is approximately 4.9×103 kilometers. The diameter of Earth is approximately 1.3×104 kilometers. About ho
-Dominant- [34]
Hi there!

To get the answer to this question, let's divide the diameter of the Earth by the diameter of Mercury.

\frac{1.3*10^4}{4.9*10^3}

We can change this to

\frac{1.3}{4.9}*\frac{10^4}{10^3}

Let's solve for each individual fraction

\frac{1.3}{4.9} ≈ 0.27

\frac{10^4}{10^3} = 10

Now, multiply.

0.27 * 10 = 2.7

That's your answer.

Have an awesome day/night! :)

~collinjun0827, Junior Moderator
5 0
3 years ago
You run 1 3/4 miles each day. Your friend runs 4times as far as you do. How far does your friend run each day
Inga [223]
Just make 1 3/4 an improper fraction and multiply by 4:

1 3/4 = 7/4

7/4 * 4 = 7
7 0
3 years ago
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John ate 1/6 of a cake. Mike ate 1/12 of it. How much of the cake did the two boys eat?​
Murrr4er [49]

Answer:

1/4

Step-by-step explanation:

1/6 + 1/12 = 1/4

3 0
2 years ago
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PLEASE HELP!!!!!!
quester [9]

B

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To multiply fractions use the method
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6 0
3 years ago
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Is 7x+14 equivalent to 7(1+x)?
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