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Home > A2C > Chapter 7 > Lesson 7.2.2 > Problem 7-113

7-113.

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.