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Quiz: Significant Figures

1. Rounded correctly, 30.00 g / 10.0 mL =
3.000 g/mL3.0 g/mL3.00 g/mL3 g/mL3.0000 g/mL
2. The number of significant digits in 650600000 is
exactly 9at least 4at most 4exactly 3at least 9
3. Correctly rounded, the quotient 2.000 g / 20.0 mL is
0.1 g/mL0.100 g/mL0.10 g/mL0.1000 g/mL
4. Correctly rounded, the sum of 1.2 x 10-3 cm and 2.7 x 10-4 cm is
0.00147 cm0.002 cm0.0015 cm0.0014 cm0.001 cm
5. 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?
5.5234 mL5.52 mL 5 mL5.523 mL5.5 mL
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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