Basic Math Examples

${(- 4 \cdot 7.5 + 2)}^{- \frac{3}{2}}$

Step 1

Multiply $- 4$ by $7.5$ .

${(- 30 + 2)}^{- \frac{3}{2}}$

Step 2

Add $- 30$ and $2$ .

${(- 28)}^{- \frac{3}{2}}$

Step 3

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

$\frac{1}{{(- 28)}^{\frac{3}{2}}}$