Answer
(b) $7\times10^{2}\,cm^{3}$
Work Step by Step
The least precisely known quantity 9 mm has one significant figure. Our result must also contain only one significant figure. Therefore, the correct option should be (b).
General Chemistry: Principles and Modern Applications (10th Edition)
by Petrucci, Ralph H.; Herring, F. Geoffrey; Madura, Jeffry D.; Bissonnette, Carey
Published by
Pearson Prentice Hal
ISBN 10:
0132064529
ISBN 13:
978-0-13206-452-1
Chapter 1 - Matter: Its Properties and Measurement - Exercises - Self-Assessment Exercises - Page 33: 107
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