SOLUTION: please help me solving this math problem 1-cube root (20000/100000)

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Question 880352: please help me solving this math problem

1-cube root (20000/100000)
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
note that 20000/100000 = 1/5, therefore
1 - (1/5)^(1/3) = 1 - 0.584803548 = 0.415196452