## Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall

# Chapter 1 - Sections 1.1-1.8 - Exercises - Problems by Topic - Page 40: 82d

#### Answer

$4.54 \times 10^{-5}$

#### Work Step by Step

Round up to 3 significant figures $0.00045389 \approx 4.54 \times 10^{-5}$ Alternately, 0.0000454 also has three significant figures since leading zeroes are not significant.

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