Quiz: Significant figures

Quiz: Significant Figures

1. A mile is defined as 5280 feet. How many significant figures does this number have?

The number is exact.

3

0

4

2. How many zeros are significant figures in a measured mass of 0.010010 g?

0

1

5

3

3. Correctly rounded, the sum of 1.2 x 10^-3 cm and 2.7 x 10^-4 cm is

0.001 cm

0.002 cm

0.00147 cm

0.0014 cm

0.0015 cm

4. Rounded correctly, 30.00 g / 10.0 mL =

3.00 g/mL

3 g/mL

3.0000 g/mL

3.000 g/mL

3.0 g/mL

5. The number of significant figures in 0.00230300 m is

8

3

4

6

9




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General Chemistry Online! Quiz: Significant figures

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 02/23/18.URL: http://antoine.frostburg.edu/chem/senese/101/measurement/print-sigfig-quiz.shtml