# Chapter 12 - Section 12.7 - Common Logarithms, Natural Logarithms, and Change of Base - Practice: 4

4

#### Work Step by Step

Using the property of common logarithms, $\log 10000=\log 10^{4}=4$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.