Simplify (7a^-3)

$(7 a^{- 3})$

Step 1

Remove parentheses.

$7 a^{- 3}$

Step 2

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

$7 \frac{1}{a^{3}}$

Step 3

Combine $7$ and $\frac{1}{a^{3}}$ .

$\frac{7}{a^{3}}$