SOLUTION: 15log20=

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Question 1013901: 15log20=
Found 2 solutions by Alan3354, fractalier:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I would use a calculator.

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
15 log 20 = 15(log 10 + log 2) = 15(1 + log 2) = 15 + 15log2 which is about
15 + 15(.3) = 15 + 4.5 = 19.5 or thereabouts...