Question

!! (see picture) Which expression is equivalent to (9^-2)^8? Please explain why.

Answer 1

Answer: Choice B

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Work Shown:

(9^-2)^8 = 9^(-2*8) = 9^(-16) = 1/(9^16)

I'm using the rule that
(x^y)^z = x^(y*z)
and also
x^(-n) = 1/(x^n)

Answer 2

Answer:

Its B

Step-by-step explanation: