Posted by **Emily** on Tuesday, May 8, 2007 at 10:29pm.

How do u do logarithms where there is a log on one side and a number on the other...

Example-

-21.044=log(P/30)

I don't want just an answer to the example, i need to know how to do it please...

convert your log equation into an exponential equation.

-21.044=log(P/30) <------> 10^-21.044 = p/30

almost zero = p/30

p = almost zero

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