Finite Math Examples

$2 (a b^{- 1})$

Step 1

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

$2 (a \frac{1}{b})$

Step 2

Combine $a$ and $\frac{1}{b}$ .

$2 \frac{a}{b}$

Step 3

Combine $2$ and $\frac{a}{b}$ .

$\frac{2 a}{b}$