Algebra Examples

$7^{- 2} x^{2}$

Step 1

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

$\frac{1}{7^{2}} x^{2}$

Step 2

Raise $7$ to the power of $2$ .

$\frac{1}{49} x^{2}$

Step 3

Combine $\frac{1}{49}$ and $x^{2}$ .

$\frac{x^{2}}{49}$