Algebra Examples

$5 \cdot 2^{- 2}$

Step 1

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

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

Step 2

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

$5 \cdot \frac{1}{4}$

Step 3

Combine $5$ and $\frac{1}{4}$ .

$\frac{5}{4}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{5}{4}$

Decimal Form:

$1.25$

Mixed Number Form:

$1 \frac{1}{4}$