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Quiz: Significant Figures

1. Correctly rounded, 20.0030 - 0.491 g =
19.512 g19.5 g 19.5120 g20 g19.51 g
2. 5.5234 mL of mercury is transfered to a graduated cylinder with scale marks 0.1 mL apart. Which of the following will be the correct reading taken from the graduated cylinder?
5.5 mL 5 mL 5.5234 mL5.523 mL5.52 mL
3. Correctly rounded, the quotient 2.000 g / 20.0 mL is
0.100 g/mL0.1 g/mL0.10 g/mL0.1000 g/mL
4. The number of significant digits in 4900 is
at least 4exactly 4at least 2at most 2
5. The number of significant digits in 650600000 is
at least 4at least 9exactly 3exactly 9at most 4
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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