Introductory Chemistry For Today
8th Edition
ISBN: 9781285644561
Author: Seager
Publisher: Cengage
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part A: Sort the following numbers according to whether they should be rounded up or down when rounding to the nearest tenth (the first digit after the decimal).
3.1760, 4.319, 19.47, 5.82, 66.9214, 8878.2010, 7.084, 124.76
part B: Drag the answers that have been correctly rounded to the appropriate number of significant figures to their place in the table. To avoid rounding errors, start with the unrounded value before conducting each manipulation.
Drag the appropriate labels to their respective targets.
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14.93
Group 3 14.93
12
Group 1 12
14.92
Group 3 14.92
3.62
Group 4 3.62
14
Group 3 14
3.7
Group 4 3.7
15
Group 3 15
3.6
Group 4 3.6
15.0
Group 3 15.0
3.63
Group 4 3.63
14.9
Group 3 14.9
3.623
Group 4 3.623
12.47
Group 1 12.47
7.97
Group 2 7.97
12.46
Group 1 12.46
7.966
Group 2 7.966
12.4
Group 1 12.4
7.0
Group 2 7.0
13
Group 1 13
7.96
Group 2 7.96
12.5
Group 1 12.5
8.0
Group 2 8.0
3.622
Group 1…
Five silver coins are added to 454.0 mL of water. The water level rises to a volume of 545.0 mL. What is the volume of the five silver coins? Express your answer with the correct number of significant figures.
Write your final answer in the space below.
Don't forget to show your calculations for your answer at the end of this quiz. Please include the question number with your calculations so I know which question they are for.
You are given four values (1.033, 4.157, 1.05, and 4.6) and asked to conduct calculations on them. You perform a series of mathematical operations using the values and make a table that includes the calculated value as displayed on your
calculator:
Mathematical operation
Value displayed by calculator
1.033 +4.157 +1.05+4.6
10.8400
1.033 x 1.05
1.08465
4.157 - 1.05
3.10700
4.157/31.0341
0.133949
4.6/31.0341
0.148224
Round each of the values displayed by the calculator to the correct number of significant figures, and place the value in the bin that correctly indicates the number of significant digits you rounded to.
Drag the appropriate items to their respective bins.
» View Available Hint(s)
Reset Help
10.8400
1.08465
3.10700
0.133949
0.148224
1 significant figure
2 significant figures
3 significant figures
4 significant figures
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