SOLUTION: Write the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places) log8 (79) = (the 8 is lowered)

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Question 635824: Write the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places) log8 (79) = (the 8 is lowered)
Found 2 solutions by ewatrrr, MathLover1:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Note: log%28a%2C+p%29+=+log%28b%2Cp%29%2F+log%28b%2Ca%29+

log%288%2C79%29+=+log%2879%29%2Flog%288%29   |Converting to base 10

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
use base change rule: +log8+%2879%29=log10%2879%29%2Flog10%288%29 ...or simply log79%2Flog8