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Quiz: Significant Figures

1. Rounded correctly, 2.000 cm × 10.0 cm =
20.000 cm220 cm220.0 cm220.00 cm2
2. Correctly rounded, the result (23.1000 g - 22.0000 g) / (25.10 mL - 25.00 mL) is
11 g/mL11.0 g/mL11.00 g/mL11.000 g/mL
3. Correctly rounded, 20.0030 - 0.491 g =
19.5120 g19.512 g20 g19.5 g19.51 g
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 cm31.0 x 103 cm31.00 x 103 cm3111.0 cm31 x 103 cm3
5. Which of the following measurements has the greatest number of significant figures?
0.000760.007607600.76007.6 x 108
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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/sigfig-quiz.shtml