Algebra Examples

${(\frac{1}{9})}^{- 2}$

Step 1

Change the sign of the exponent by rewriting the base as its reciprocal.

$9^{2}$

Step 2

Raise $9$ to the power of $2$ .

$81$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$