For another example of comparing the magnitude of earthquakes, read “Example 5” on pages 378 and 379 on the textbook. Compare your solution strategies to the ones in “Example 5.” Were the strategies similar?

Self-Check 4

1. Complete “Your Turn” at the end of “Example 5” on page 379 of the textbook. Answer
2. Complete question 18 on page 381 of the textbook. Answer
3. Complete question 16 on page 381 of the textbook. Answer

Add the following terms to your copy of Glossary Terms:

• logarithm
• logarithmic function

Add the following formula to your copy of Formula Sheet: