SOLUTION: If 3^x=10 then what is 81^x

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Question 710581: If 3^x=10 then what is 81^x
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
If 3^x=10 then what is 81^x
.
solving for x:
3%5Ex=10
x=log%283%2C10%29
x=log%2810%29%2Flog%283%29
.
So:
81^x
81^{log(10)/log(3))
10000