Question: Negative Decimal Exponent

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Comment on Negative Decimal Exponent

16^(-0.25) = 1/ (16^(1/4)) =

a.banisaeed - January 22, 2017

16^(-0.25) = 1/ (16^(1/4)) = 1/ ( (2*2*2*2)^(1/4) )
= 1/ ( 2^4)^(1/4) = 1/ ( 2^(4/4) )= 1/2

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Whenever you encounter a quantitative question with answer choices, be sure to SCAN the answer choices before performing any calculations. In many cases, the answer choices provide important clues regarding how to best solve the question.

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