Algebra Examples

$x^{4} y^{- 7}$

Step 1

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

$x^{4} \frac{1}{y^{7}}$

Step 2

Combine $x^{4}$ and $\frac{1}{y^{7}}$ .

$\frac{x^{4}}{y^{7}}$