Logarithm: If log_5(3) = T, express log_5(9/125) in terms of T
- Thread starter bikbea
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What are your thoughts? What have you tried? Where are you getting stuck? ("Read Before Posting")
Please be complete. Thank you!
Dr.Peterson
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For (b), have you tried expanding [imath]\log_5\frac{9}{125}[/imath] and simplifying it? What happened?
For (c), do you know the change-of-base formula? And are you allowed to use a table of base 10 logs, or a calculator?