SOLUTION: If x^9=127 then find x^4 accurate to two digits after the decimal point.

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Question 79831: If x^9=127 then find x^4 accurate to two digits after the decimal point.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Using your calculator, take the ninth root of 127.
x%5E9+=+127
x+=+1.71299 Now raise this to the fourth power.
x%5E4+=+8.6104
x%5E4+=+8.61