Basic Math Examples

$8 a^{- 3} b$

Step 1

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

$8 \frac{1}{a^{3}} b$

Step 2

Combine $8$ and $\frac{1}{a^{3}}$ .

$\frac{8}{a^{3}} b$

Step 3

Combine $\frac{8}{a^{3}}$ and $b$ .

$\frac{8 b}{a^{3}}$