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2. Complete the blanks in each row, as in the first: a) Find and underscore the last significant figure in the decimal calculator result. b) Round it off to the proper number of significant figures. c) Count the number of significant figures. d) Write the rounded answer in proper scientific notation. a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 2 x 10-1 1.2 x 0.153 ÷ (13.220 + 0.41) = %3D -120 + 3.12 × 10² = 3490.2 + 4.443 x 102 x 23 = 7.2 x10-1 ÷ (45.1 - 3.78 × 102) = %3D

2. Complete the blanks in each row, as in the first: a) Find and underscore the last significant figure in the decimal calculator result. b) Round it off to the proper number of significant figures. c) Count the number of significant figures. d) Write the rounded answer in proper scientific notation. a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 2 x 10-1 1.2 x 0.153 ÷ (13.220 + 0.41) = %3D -120 + 3.12 × 10² = 3490.2 + 4.443 x 102 x 23 = 7.2 x10-1 ÷ (45.1 - 3.78 × 102) = %3D

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter2: Analyzing Data
Section: Chapter Questions
Problem 115A
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2. Complete the blanks in each row, as in the first: a) Find and underscore the last significant figure in the decimal calculator result. b) Round it off to the proper number of significant figures. c) Count the number of significant figures. d) Write the rounded answer in proper scientific notation. a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 1 2 x 10-1 1.2 x 0.153 ÷ (13.220 + 0.41) -120 + 3.12 × 102 = 3490.2 + 4.443 × 102 × 23 = 7.2 x10-1 ÷ (45.1 - 3.78 × 102)
Transcribed Image Text:2. Complete the blanks in each row, as in the first: a) Find and underscore the last significant figure in the decimal calculator result. b) Round it off to the proper number of significant figures. c) Count the number of significant figures. d) Write the rounded answer in proper scientific notation. a) calculator b) rounded c) count d) rounded result in result as-is decimal result sig figs scientific notation (200 + 0.09) ÷ (1.013 x 103) = 0.197522... 0.2 1 2 x 10-1 1.2 x 0.153 ÷ (13.220 + 0.41) -120 + 3.12 × 102 = 3490.2 + 4.443 × 102 × 23 = 7.2 x10-1 ÷ (45.1 - 3.78 × 102)
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