Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 7 - Measurement - Review Exercises - Page 523: 18


345,600 sec

Work Step by Step

Use the unit fraction (24 hours)/(1 day) to change days to hours, next use the unit fraction (60 min )/(1 hr ) to change hours to min and last use the unit fraction (60 sec)/(1 min) to change min to sec. Notice how all the units divide out except second, which is the unit you want in the answer. 4 days * (24 hours)/(1 day) * (60 min )/(1 hr )* (60 sec)/(1 min) = 345,600 sec.
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