Chemistry (12th Edition)

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

Chapter 3 - Scientific Measurement - 3.1 Using and Expressing Measurements - Sample Problem 3.4: 6

Answer

A) 8.71 x 10 meters B) 4.36 x 10^8 meters C) 1.55 x 10^-2 meters D) 9.01 x 10^3 meters E) 1.78 x 10^-3 meters F) 6.30 x 10^2 meters

Work Step by Step

The fourth significant digit is greater than 5, so you round up. The fourth significant digit is less than 5, so you don't round up. The fourth significant digit is less than 5, so you don't round up. The fourth significant digit is greater than 5, so you round up. The fourth significant digit is greater than 5, so you round up. The fourth significant digits equals 5, so you round up.
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