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Home > CCA2 > Chapter 6 > Lesson 6.2.2 > Problem 6-115

6-115.

Use the definition of a logarithm to change into a logarithmic expression of base 5. Homework Help ✎

Start with the definition of the logarithm.

Take the log base 5 of both sides.

Use the Power Property of Logarithms.

Notice that this answer shows a very quick way to change bases.