Question

Rewrite the following without an exponent.

Answer 1

Answer:

$\frac{1}{81}$

Step-by-step explanation:

Law of exponent

$a^{-m} = \frac{1}{a^{m} }$

1) Applying the above rule, we have

$9^{-2} = \frac{1}{9^{2} }$

= $\frac{1}{9*9}$

= $\frac{1}{81}$