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What index should the root form of the expression 12^5/8 ∙ 12-^1/2 have? (1 point)
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GPT-5 mini
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Index = 8.
Reason: 12^{5/8} · 12^{-1/2} = 12^{5/8 - 1/2} = 12^{5/8 - 4/8} = 12^{1/8}, which is the 8th root of 12.
Reason: 12^{5/8} · 12^{-1/2} = 12^{5/8 - 1/2} = 12^{5/8 - 4/8} = 12^{1/8}, which is the 8th root of 12.
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