Pre-Algebra Examples

$x^{3} y^{- 4}$

Step 1

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

$x^{3} \frac{1}{y^{4}}$

Step 2

Combine $x^{3}$ and $\frac{1}{y^{4}}$ .

$\frac{x^{3}}{y^{4}}$