SOLUTION: log 81^x=1/4
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Question 386968: log 81^x=1/4
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
log 81^x=1/4
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base = 10
exponent = 1/4
result = 81^x
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Write in exponential form:
10^(1/4) = 81^x
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81^x = 1.7783
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Take the log of both sides to get:
x*log(81) = log(1.7783)
---
x = log(1.7783)/log(81)
x = 0.1310
================
Cheers,
Stan H.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
log 81^x=1/4
----------
x*log(81) = log(0.25)
x = log(0.25)/log(81)
x =~ -0.315465
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