What is the value of the expression 8 to the -2nd power? a. –16 b. 1/64 c. 1/16 d. 64

asked Aug 7, 2017 171k views

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3 votes

$a^(-n)=(1)/(a^n)\\\\8^(-2)=(1)/(8^2)=(1)/(8\cdot8)=\boxed{(1)/(64)}$

Ajtrichards answered Aug 8, 2017

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2 votes

The answer is b. 1/64

Evdama answered Aug 13, 2017

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