How do ratios of logs in different bases compare?
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.