Question

find the value of (5power-3)×(1/5power-5)

Answer 1

5^-3 * (1/5)^-5

(1/5)^3 * (1/5)^-5

a power m times a power n = a power m+n

(1/5)^3+(-5)

(1/5)^3-5

(1/5)^-2

5^2

Ans: 25

Answer 2

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Here is your answer.

${5}^{ - 3} \times \frac{1}{ {5}^{ - 5} } \\ \\ = {5}^{ - 3 + 5} \\ \\ = {5}^{2} \\ \\ = 25$

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