Simplify 7x^-3 - MathMaster

$7 x^{- 3}$

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

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

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

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

Simplify 7x^-3

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