What is the decimal equivalent of (\frac{1}{5}) ^4 ?

GMAT Quantitative Reasoning Practice Test 1

Question : 17 of 100

Marks: +1, -0

What is the decimal equivalent of

(\;{1}/{5}) ^4

Solution:

(\;{1}/{5}) ^4= (\;{2}/{10}) ^4=\;{2^4}/{10^4}=16 × 10^{-4}=0.0016

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