Answered: Perform the follwing calculations and…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter1: The Nature Of Chemistry

Section: Chapter Questions

Problem 21QRT: Perform these calculations and express the result with the proper number of significant figures. (a)...

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Perform the follwing calculations and round off the answers to the proper of significant figures. Report answers in scientific notation.

124 + 65.756 + 12.86

0.7805- 0.01

(4.03 x 10`2) - (2.04 x 10`2)

(2.31 x 10`3) + (1.999 x10`3)

(8.15 x 10`4) x (4.0 x10`5)

(2.30 x 10`2) / (9.2 x 10`2)

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