Basic Math Examples

{(- \frac{72}{24})}^{- 2}

${(- \frac{72}{24})}^{- 2}$

Step 1

Divide

72

$72$ by

24

$24$ .

{(- 1 \cdot 3)}^{- 2}

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

Step 2

Multiply

- 1

$- 1$ by

3

$3$ .

{(- 3)}^{- 2}

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

Step 3

Rewrite the expression using the negative exponent rule

b^{- n} = \frac{1}{b^{n}}

$b^{- n} = \frac{1}{b^{n}}$ .

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

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

Step 4

Raise

- 3

$- 3$ to the power of

2

$2$ .

\frac{1}{9}

$\frac{1}{9}$

Step 5

The result can be shown in multiple forms.

Exact Form:

\frac{1}{9}

$\frac{1}{9}$

Decimal Form:

0. ¯ 1

$0.\overline{1}$