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Zeros, Ping-Pong Balls, and Acceleration (Math Chat)

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Visit this site: http://www.csmonitor.com/durable/1997/09/05/fe
Author:Frank Morgan; Christian Science Monitor
Description: 5! = 5 x 4 x 3 x 2 x 1 = 120, which ends in a 0. Determine the number of zeros at the end of 25! (What about 5^10!).
Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles, Articles
Math Topics: Factorials

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