does any1 have an ideas as when to use log in a question.???

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- Mar 31st 2008, 01:21 PMefthekingLogs
does any1 have an ideas as when to use log in a question.???

- Mar 31st 2008, 01:53 PMtopher0805
To solve for exponents.

For example:

Take the log of both sides:

Using laws of logarithms we have:

Then simply calculate the logs and solve for x: