Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 1 - Introduction: Matter and Measurement - Exercises - Page 36: 1.41c



Work Step by Step

$(3.29\times10^{4})(0.2501)=(32900)(0.2501)=8228.29$ For mulltiplication, the factor with the least number of significant figures determines the significant figures in the result. In this case that number is 3 so round the result to 3 significant digits. $8228.29\approx8230$ Rewrite 8230 in scientific notation. To express 8230 as a number between 1 and 10 the decimal is moved 3 places to the left so the exponent is 3. $8230=8.23\times10^{3}$
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