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Home :Companion Notes :MeasurementPrint | Comment

Quiz: Significant Figures

1. Correctly rounded, 20.0030 - 0.491 g =
19.5 g20 g 19.5120 g19.512 g19.51 g
2. Rounded correctly, 2.000 cm × 10.0 cm =
20.00 cm220.0 cm220.000 cm220 cm2
3. Correctly rounded, the result (23.1000 g - 22.0000 g) / (25.10 mL - 25.00 mL) is
11.0 g/mL11.00 g/mL11 g/mL11.000 g/mL
4. The number of significant digits in 650600000 is
at most 4exactly 3at least 4exactly 9at least 9
5. How many zeros are significant figures in a measured mass of 0.010010 g?
3105
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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