Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 1 - Sections 1.1-1.8 - Exercises - Problems by Topic - Page 40: 76b


0.001$0$4$0$ m; cross first 3 zeroes and underline 2 last zeroes Significant zeroes above are bold.

Work Step by Step

First three zeroes are insignificant because they're leading zeroes (to the left of the first non zero digit) and only serve to locate the decimal point. The last two are internal and trailing zeroes, respectively.
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