Algebra Examples

$2 \cdot {(\frac{1}{3})}^{- 2}$

Step 1

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

$2 \cdot 3^{2}$

Step 2

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

$2 \cdot 9$

Step 3

Multiply $2$ by $9$ .

$18$