SOLUTION: Use the base-change formula to find the logarithm to 4 decimal places. log base 8 X 8.69

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Use the base-change formula to find the logarithm to 4 decimal places. log base 8 X 8.69      Log On


   

Question 199063: Use the base-change formula to find the logarithm to 4 decimal places.
log base 8 X 8.69
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
log(8) of 8.69 = log 8.69 / log 8 = .939 / .903 = 1.040
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or = ln 8.69 / ln 8 = 2.162/ 2.079 =1.040
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remember,,, log to base a of b = log b / log a
.