3 years ago

(7^3)^-5 Please help! :)

1 answer:

4 0

I believe the answer is 7^-15, here’s a quick explanation:
multiply the exponents, but my answer is for simplifying the expression, i hope it helped!

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kipiarov [429]

Answer:

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x= 440

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3 years ago

the length of a retangle is twice its width. The perimeter of the rectangle is 126 feet. Write an equation .

Ivahew [28]

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3 years ago

Someone help please i honestly don’t understand

Ivan

Answer:

196 m^2

Step-by-step explanation:

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7 0

3 years ago

Simplify: squareroot 64r^8 8r2 8r4 32r2 32r4

Sav [38]

Answer:

8r^4

Step-by-step explanation:

√(64r^8) = √((8r^4)^2) = 8r^4

_____

You can make use of either or both of these rules of exponents:

(a^b)^c = a^(b·c) . . . . . used above

$\sqrt[n]{a}=a^{\frac{1}{n}}$

Using the second rule, you can write the expression as ...

$\sqrt{64r^8}=\sqrt{64}\cdot r^{8\cdot\frac{1}{2}}=8r^4$

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4 years ago

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Peter bought 8 lemons for $6. Each lemon was the same price.<br> What was the cost for 1 lemon?

gayaneshka [121]

Answer: $1.30

Step-by-step explanation:

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3 years ago

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