Mathematics for IGCSE & O level - Indices 2 (Section 4 - No. 6)

Select the equivalent expressions to (rac{1}{a^3}). (Select all that apply)

(a^{-3})

((-a)^3)

(-(a^{-3}))

(-a^3)

Vysvětlení

The negative exponent rule states (a^{-n} = rac{1}{a^n}).

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