Decibels (Math Chat)
Library Home || Full Table of Contents || Library Help
|Frank Morgan, MAA Online|
|Challenge: The Christian Science Monitor of July 8, 1999, reports that "according to the NRDC, the amount of ambient noise in the ocean may have increased by 10 decibels - in other words, 10-fold - between 1950 and 1975." Is this correct?|
|Levels:||High School (9-12), College|
|Math Topics:||Number Theory, Acoustics|
© 1994- The Math Forum at NCTM. All rights reserved.