320.28 - (6107.5/2.8). Express your answer to the appropriate number of significant digits. [(289.8 x 105 ) - (1.100 x 103 )] x 2.8974. Express your answer to the appropriate number of significant digits.  (0.0041×20000.0)+(2817×14). Express your answer to the appropriate number of significant digits. 865×[1259−(3.98×106)]. Express your answer to the appropriate number of significant digits.

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 85QRT
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  1. 320.28 - (6107.5/2.8). Express your answer to the appropriate number of significant digits.
  2. [(289.8 x 105 ) - (1.100 x 10)] x 2.8974. Express your answer to the appropriate number of significant digits. 
  3. (0.0041×20000.0)+(2817×14). Express your answer to the appropriate number of significant digits.
  4. 865×[1259−(3.98×106)]. Express your answer to the appropriate number of significant digits.
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