Practice mode Surds and Indices

What is the value of 16^(−3/4)?

Correct answer C. 1/8

Explanation

16^(3/4) = (⁴√16)³ = 2³ = 8. A negative index means the reciprocal, so 16^(−3/4) = 1/8. Hence the correct option is 1/8.

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