Algebra Examples

$5 \cdot 2^{- 3}$

Step 1

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

$5 \cdot \frac{1}{2^{3}}$

Step 2

Raise $2$ to the power of $3$ .

$5 \cdot \frac{1}{8}$

Step 3

Combine $5$ and $\frac{1}{8}$ .

$\frac{5}{8}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{5}{8}$

Decimal Form:

$0.625$