How do ratios of logs in different bases compare? Homework Help ✎
Use your calculator to evaluate this expression.
What do you notice about your answers for parts (a) and (b)? Use the change of base formula to explain your results.
into a logarithmic expression using a base of .
Start with the definition of the logarithm.
Take the log base
of both sides.
Use the Power Property of Logarithms.
Notice that this answer shows a very quick way to change bases.