Question

8^-2= ???
A. 16
B. 64
C. -1/64
D. 1/64

Answer 1

1/8^2=1/64

Answer 2

\[8^{-2} = \frac{ 1 }{ 8^{2} }\]

Answer 3

Thank you for your help

Answer 4

option D

Answer 5

This is the definition of a negative exponent:

\(a^{-n} = \dfrac{1}{a^n} \)

Now just follow the definition and plug in your values.