Decibels
Examples

Example 1 Find the loudness in decibels of a sound that has an intensity of DecibelsEx1-1. DecibelsEx1-2
DecibelsEx1-3
DecibelsEx1-4 dB

Example 2 Find the intensity of a sound that measures 90 dB.
DecibelsEx2-1
DecibelsEx2-2
DecibelsEx2-3
DecibelsEx2-4
DecibelsEx2-5-fix