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erastovalidia [21]
3 years ago
12

How do I solve for v?

Mathematics
1 answer:
sineoko [7]3 years ago
5 0

Answer:

v= 18

Step-by-step explanation:

Subtract 8 from both sides.  This yields 18 = v, or v = 18.

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Given information-

The given expression in the problem is,

[(r)^{-7}]^5

<h3>Power rule of exponents</h3>

Power rule of exponents says that the power of the power of a exponent is equal to the multiplying both the powers.

Suppose<em> </em><em>x</em> is a number with power <em>a. </em>The power is power of the power of number <em>x. </em>Then by the power rule of the exponents,

(x^a)^b=x^{ab}

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<h3>Negative exponents rule</h3>

Negative exponents rule says that when a power of a number is negative, then write the number in the denominator with the same power with positive sign.Thus,

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Hence the expression which is equal to the given expression is,

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The option B is the correct option.

Learn more about the power rule of exponents here;

brainly.com/question/819893

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