Question

evaluate this expression

$8^{-2}$

Answer 1

Answer:

0.015625

Step-by-step explanation:

Rule: $a^{-n} = \dfrac{1}{a^n}$

$8^{-2} = \dfrac{1}{8^2} = \dfrac{1}{64} = 0.015625$

Answer 2

0.015625 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh