### Home > PC > Chapter 2 > Lesson 2.3.8 > Problem 2-174

2-174.

Write each equation in exponential form.

A log is an exponent. In this case, the exponent equals

. The

is the base. is the answer to the exponential question.

Use the same thinking process as (a) above.

This is called a 'common log'. The base is

.