## Chemistry 9th Edition

Published by Cengage Learning

# Chapter 1 - Chemical Foundations - Exercises - Page 34: 30

#### Answer

a) 1 b) 2 c) 3 d) 3 e) 2 f) 3 g) 3 h) 4

#### Work Step by Step

a) 100 has 1 nonzero digit, therefore it has 1 sig fig b) 1.0 has 1 nonzero digit and 1 trailing zero with a decimal, therefore it has 2 significant figures c) 1.00 has 1 nonzero digit and 2 trailing zeros with a decimal point, therefore it has 3 sig figs d) 100. has 1 nonzero digit and 2 trailing zeros with a decimal point, therefore it has 3 sig figs e) 0.0048 has 2 nonzero digits, therefore it has 2 sig figs f) 0.00480 has 2 nonzero digits and 1 trailing zero with a decimal point, therefore it has 3 sig figs g) 4.80 has 2 nonzero digits and 1 trailing zero with a decimal point, therefore it has 3 sig figs h) 4.800 has 2 nonzero digits and 2 trailing zeros with a decimal point, therefore it has 4 sig figs

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