Algebra Examples

$- 3 {(2)}^{- 1}$

Step 1

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

$- 3 (\frac{1}{2})$

Step 2

Combine $- 3$ and $\frac{1}{2}$ .

$\frac{- 3}{2}$

Step 3

Move the negative in front of the fraction.

$- \frac{3}{2}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$- \frac{3}{2}$

Decimal Form:

$- 1.5$

Mixed Number Form:

$- 1 \frac{1}{2}$