Answer :

olumideolawoyin

Answer:

[tex]{a}^{3}[/tex]

Step-by-step explanation:

[tex] {( \frac{1}{a}) }^{ - 3} = { ({a}^{ - 1}) }^{ - 3} = {a}^{1 \times 3} = {a}^{3} [/tex]

Laws of indices were used.

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