Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 1 - Section 1.5 - Uncertainty in Measurement - Checkpoint - Page 21: 1.5.2

Answer

e) 761

Work Step by Step

Add all the numbers: $3.115 + 0.2281 + 712.5 + 45 = 760.8431$ The final answer cannot have any digit to the right of the decimal point (because there is no digit to the right of the decimal in the number 45.) Hence, the sum = 761
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