SOLUTION: Simplify A radical with an index of 3 and a radicand as 4/5

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Question 236685: Simplify A radical with an index of 3 and a radicand as 4/5
Answer by stanbon(75887) About Me  (Show Source):
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Simplify A radical with an index of 3 and a radicand as 4/5
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The key to these is to create a perfect cube in the denominator.
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cbrt(4/5) = cbrt(4*25/5^3) = cbrt(100)/5 = (1/5)cbrt(100)
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Cheers,
Stan H.