SOLUTION: log3 15 − log3 40 + log3 648

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Question 822027: log3 15 − log3 40 + log3 648
Found 2 solutions by jsmallt9, MathTherapy:
Answer by jsmallt9(3759) About Me  (Show Source):
You can put this solution on YOUR website!
What are you/we supposed to do with this?? Please re-post and include the instructions.

Answer by MathTherapy(10801) About Me  (Show Source):
You can put this solution on YOUR website!
log3 15 − log3 40 + log3 648
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I take it you need this SIMPLIFIED!!
log+%283%2C+%2815%29%29+-+log+%283%2C+%2840%29%29+%2B+log+%283%2C+%28648%29%29%29
log+%283%2C+%2815%2F40+%2A+648%29%29 ----- Applying log+%28b%2C+%28c%29%29+-+log+%28b%2C++%28d%29%29+%2B+log+%28b%2C+%28e%29%29%29 = log+%28b%2C+%28c%2Fd+%2A+e%29%29 
log+%283%2C+%283cross%2815%29%2F8cross%2840%29+%2A+648%29%29 = log+%283%2C+%283%2F8+%2A+648%29%29 = log+%283%2C+%283%2Fcross%288%29+%2A+81cross%28648%29%29%29 = log+%283%2C+%283%2881%29%29%29 = log+%283%2C+%283+%2A+3%5E4%29%29 = log+%283%2C+%283%5E5%29%29 = 5