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Rounding Seconds

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Visit this site: http://www.lerc.nasa.gov/Other_Groups/K-12/p_test/math_9/math_p_q12.html
Author:NASA Lewis Learning Technologies Project
Description: Erv ran the 110 meter high hurdles in 13.27 seconds. His teammate, Willie, ran the same race in 12.91 seconds. Rounded to the nearest tenth of a second, how much faster was Willie's time? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles, Web Interactive/Java
Math Topics: Calendars/Dates/Time, Number Sense/About Numbers

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