2 years ago

Plz help, I need help!!!!

Mathematics

1 answer:

Otrada [13]2 years ago

4 0

Answer:

56 multiplied by 9 = 504

Step-by-step explanation:

55.8 rounded is 56, and 9.12 rounded is 9

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Archy [21]

Answer:

Step-by-step explanation:

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Use the rules of exponents to evaluate or simplify.write without negative exponents. 1/4^-2=?

Talja [164]

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Answer:

4² = 16

Step-by-step explanation:

The applicable rule of exponents is ...

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So, ...

$\dfrac{1}{4^{-2}}=\boxed{4^2 = 16}$

_____

<em>Additional comment</em>

If you were to evaluate this using the Order of Operations, you would evaluate the exponent first:

1/4^-2 = 1/(1/16)

Then, you would do the division.

1/(1/16) = 16

We sometimes find it convenient to manipulate exponential terms to the form with the smallest positive exponents before we begin the evaluation.

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2 years ago

Please help fast this is for my sister and I don't understand (30 points)

aalyn [17]

Answer:

I don’t get most of it, but I believe “doubles” means two of the same number added together. For example, 9+9 is a double. I think “doubles +1” means a double and add one. For example, 6+6+1. If I were your sister, I would write “9+9 = 18” for doubles and “6+6+1 = 13” for doubles +1.

I hope I helped!

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2 years ago

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Furkat [3]

The answer is D: rectangle

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3 years ago

What is the percent of increase from 45 to 70?21.7%35.7%55.6%64.3%

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Answer:55.6%

Step-by-step explanation:

45-70= -25

-25/45 = 0.555

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