SOLUTION: how do i solve log(x)81=-4

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Question 533186: how do i solve log(x)81=-4
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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how do i solve log(x)81=-4
Write the exponent form of logs
x^-4 = 81
get rid of the neg by using the reciprocal of 81
x^4 = 1%2F81
x = the 4th root of 1%2F81
x = 1%2F3
;
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Check on calc 3^4 = 81