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Question
Evaluate (0.00032)2/5
Options
`1/625`
`1/225`
`1/125`
`1/25`
MCQ
Solution
`1/25`
Explanation:
(0.00032)2/5 = `(32/100000)^(2/5)`
= `(2^5/10^5)^(2/5) = {(2/10)^5}^(2/5)`
= `(2/10)^(5xx2/5) = (1/5)^2 = 1/25`
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Simplification (Entrance Exam)
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