SOLUTION: if x^(1/3) = 8 then what is x?

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Question 130104: if x^(1/3) = 8 then what is x?
Found 2 solutions by jim_thompson5910, checkley71:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E%281%2F3%29+=+8 Start with the given equation


%28x%5E%281%2Fcross%283%29%29%29%5Ecross%283%29+=+8%5E3 Cube both sides. This will cancel out the exponent of 1%2F3


x%5E1=8%5E3 Simplify

x+=+512 Cube 8 to get 512

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x^1/3=cube root x=8
cubing each side we get x=8^3
x=8*8*8
x=512 answer.