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melisa1 [442]
3 years ago
13

I need to Simplify (3mn)^4

Mathematics
1 answer:
UkoKoshka [18]3 years ago
3 0

9514 1404 393

Answer:

  81m^4·n^4

Step-by-step explanation:

"Simplify" in this context means "remove parentheses." The applicable rule of exponents is ...

  (ab)^c = (a^c)(b^c)

__

  (3mn)^4=3^4m^4n^4=\boxed{81m^4n^4}

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The perimeter of the new m-phone is 16 inches. The phones length is 5.25 inches. What is the width of the phone
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Perimeter is all the sides added up together.
Divide 16 by 2, so that you can get just a measurement of the length and the width.

16/2 = 8

Since the length is 5.25, subtract that by 8.

8-5.25 = 2.75

The width of the phone is 2.75 inches.
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2 years ago
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Answer:

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Step-by-step explanation:

Set up a proportion where x is the number of millimeters for 160 kilometers

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Cross multiply and solve for x:

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