Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 1 - Introduction to Chemistry - 1 Assessment - Page 28: 55

Answer

4,320 beats/hr 103,680 beats/day

Work Step by Step

72 beats/min To convert if to beats/hr we need to convert min to hours. There are 60 minutes in one hour so we multiply 72 x 60. 72 beats/min * 60 min/hr ***minute units cancel out = 4,320 beats/hr 4,320 beats/hr To convert if to beats/day we need to convert hours to days. There are 24 hours in one day so we multiply 432 x 24. 4,320 beats/hr * 24 hr/day ***hour units cancel out = 103,680 beats/day
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