Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 1 - Chemical Foundations - Exercises: 29

Answer

a) 3 b) 4 c) 4 d) 1 e) 7 f) 1 g) 3 h) 3

Work Step by Step

a) 6.07 has 2 non zero and 1 zero in between 2 nonzero, therefore it has 3 significant figure b) .003840 has 3 nonzero and 1 trailing zero with a decimal point, therefore it has 4 significant figures c) 17.00 has 2 nonzero and 2 trailing zeros with a decimal point, therefore it has 4 significant figures d) 8 has 1 nonzero digit, therefore it has 1 significant figure e) 463.8052 has 6 nonzero digits and 1 zero in between 2 nonzero, so it has 7 significant figures f) 300 has 1 nonzero digit, therefore it has 1 significant figure g) 301 has 2 nonzero digits and 1 zero in between 2 nonzero, therefore it has 3 significant figures h) 300. has 1 nonzero digit and 2 trailing zeros with a decimal point, therefore it has 3 significant figures
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