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: 75d

Answer

0.001$0$9$0$; cross out the first 3 zeroes and underline the last 2 zeroes Significant zeroes above are bold.

Work Step by Step

The first 3 zeroes are insignificant because they are leading zeroes which serve a a place holder. The 4th zero is significant because it's an internal zero, and the last zero is also significant because it's a trailing zero
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