SOLUTION: Hello, could you please tell me the value of m in the following equation, and how you got the answer? p.s the 4 is over the m. {{{160 = 20log (4/m)}}}

SOLUTION: Hello, could you please tell me the value of m in the following equation, and how you got the answer? p.s the 4 is over the m. {{{160 = 20log (4/m)}}}

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Question 31882: Hello, could you please tell me the value of m in the following equation, and how you got the answer? p.s the 4 is over the m.

Answer by mbarugel(146) (Show Source): You can put this solution on YOUR website!
Hello!
You can use the following rule of logarithms:

So your equation becomes:

Divide by 20

Apply the log rule

I hope this helps!
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