Pre-Algebra Examples

$4 n^{- 2}$

Step 1

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

$4 \frac{1}{n^{2}}$

Step 2

Combine $4$ and $\frac{1}{n^{2}}$ .

$\frac{4}{n^{2}}$

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