SOLUTION: Can you please help, Evaluate the logarithm without a calculator: log9(1/3)

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Question 400054: Can you please help,
Evaluate the logarithm without a calculator:
log9(1/3)
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the logarithm without a calculator:
log9(1/3)
9 = 3^2
--------
log%289%2C%281%2F3%29%29+=+log%289%2C1%2F%289%5E%281%2F2%29%29%29
= log%289%2C9%5E%28-1%2F2%29%29
= -1/2

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi



 

     9^y = 1/3

       y = -1/2