SOLUTION: I need some help with simplyfing fractional exponets can you help? (16^1/4)- (-32)^1/3)

SOLUTION: I need some help with simplyfing fractional exponets can you help? (16^1/4)- (-32)^1/3)

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Question 172580: I need some help with simplyfing fractional exponets can you help?
(16^1/4)- (-32)^1/3)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
(16^1/4)- (-32)^1/3)
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16^(1/4) = 2
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(-32)^(1/3) = -8^(1/3)*(4)^(1/3) = -2*(4^(1/3))
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So (16^1/4)- (-32)^1/3) = 2 + 2*cube root(4)
=~ 2 + 1.5874
=~ 3.5874

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