Quiz: Significant figures

Quiz: Significant Figures

1. The number of significant digits in 4900 is

at most 2

exactly 4

at least 2

at least 4

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

0.0014 cm

0.002 cm

0.0015 cm

0.001 cm

0.00147 cm

3. Rounded correctly, 2.000 cm × 10.0 cm =

20.000 cm2

20 cm2

20.0 cm2

20.00 cm2

4. What is the volume of a rectangular strip of wood that measures 10.0 cm x 100.0 cm x 1.0 cm?

1000.0 cm3

111.0 cm3

1 x 103 cm3

1.00 x 103 cm3

1.0 x 103 cm3

5. Correctly rounded, the product 2.000 cm × 20.0 cm is

4.000 x 101cm2

4.00 x 101 cm2

4 x 101 cm2

4.0 x 101 cm2




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General Chemistry Online! Quiz: Significant figures

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 06/16/05.URL: http://antoine.frostburg.edu/chem/senese/101/measurement/print-sigfig-quiz.shtml