SOLUTION: solve for x: 3^x =40

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Question 430972: solve for x:
3^x =40

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
3^x =40
take log base 3 of both sides:
+x+=+log%283%2C40%29
applying change of base:
+x+=+log%2840%29%2Flog%283%29
+x+=+3.458+