Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter2: Measurements And Calculations
Section: Chapter Questions
Problem 113AP: When 2891 is written in scientific notation, the exponent indicating the power of 10 is .
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Question
Round 12.3456 to 4 significant figures?
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Step 1
1.All non zero numbers are counting as significant figures.
2. If right of the last significant figures has 5 then look at the last significant figures, if that is even number then it has no change at the time of round off. If odd then add 1 to the last significant figures.
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