Algebra Examples

$7 x y^{- 4}$

Step 1

Move $y^{- 4}$ to the denominator in $y^{- 4}$ using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

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

Step 2

Rewrite $7 x y^{- 4}$ with positive exponents.

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