Question

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

Answer 1

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

Answer 2

The answer is b. 1/64