Simplify 9*3^-2

$9 \cdot 3^{- 2}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$9 \cdot \frac{1}{3^{2}}$

Step 2

Raise $3$ to the power of $2$ .

$9 \cdot \frac{1}{9}$

Step 3

Cancel the common factor of $9$ .

Cancel the common factor.

$9 \cdot \frac{1}{9}$

Rewrite the expression.

$1$