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Quiz: Significant Figures

1. Correctly rounded, 20.0030 - 0.491 g =
19.5 g 19.5120 g19.51 g20 g19.512 g
2. Rounded correctly, 30.00 g / 10.0 mL =
3.000 g/mL3 g/mL3.00 g/mL3.0000 g/mL3.0 g/mL
3. The number of significant digits in 540.00610 is
78465
4. Correctly rounded, the product 2.000 cm × 20.0 cm is
4.00 x 101 cm24 x 101 cm24.000 x 101cm24.0 x 101 cm2
5. A mile is defined as 5280 feet. How many significant figures does this number have?
The number is exact.304
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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