Chem - Significant Figures

23 Questions | Total Attempts: 177

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Chem - Significant Figures

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Questions and Answers
  • 1. 
    How many significant figures does the following number have: 0.002040
  • 2. 
    How many significant figures does the following number have: 100.00210
  • 3. 
    How many significant figures does the following number have: 210
  • 4. 
    How many significant figures does the following number have: 4000.
  • 5. 
    How many significant figures does the following number have: 300.0
  • 6. 
    How many significant figures does the following number have: 3.50 x 20
  • 7. 
    Calculate 923 g ÷ 20312 cm3 and give your answer with the correct number of significant figures.
    • A. 

      0.04 g/cm3

    • B. 

      0.045 g/cm3

    • C. 

      0.0454 g/cm3

    • D. 

      0.05 g/cm3

  • 8. 
    Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.
    • A. 

      1.0 m2

    • B. 

      1.1 m2

    • C. 

      1.0947 m2

    • D. 

      1.095 m2

  • 9. 
    Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.
    • A. 

      7.45 m

    • B. 

      7.447 m

    • C. 

      7.4 m

    • D. 

      7.5 m

  • 10. 
    Calculate 345.009 g - 23.00 g and give your answer with the correct number of significant figures.
  • 11. 
    How many Significant Figures in the number below? 4.56 x 103
  • 12. 
    Multiply 8.95 x 17.9
  • 13. 
    Round 32.08 to two sig figs
  • 14. 
    What is 78.5 rounded to one significant figure?
  • 15. 
    Round 0.010229 to four sig figs
  • 16. 
    Write “Two hundred” in numerical form with 4 significant digits:
  • 17. 
    Please read each instrument to their limits. Include units and correct number of SigFigs.
  • 18. 
    Please read each instrument to their limits. Include units and correct number of SigFigs.
  • 19. 
    Please read each instrument to their limits. Include units and correct number of SigFigs.
  • 20. 
    Please read each instrument to their limits. Include units and correct number of SigFigs.
  • 21. 
    What are significant figures?
  • 22. 
    How do you determine the number of significant figures to report when adding or subtracting decimals?
  • 23. 
    How do you determine the number of significant figures to report when multiplying or dividing?
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