Significant Figure - How Many Sig Figs?

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Harry Hwong
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  • 1/14 Questions

    There are ________ significant figures in 246.32 mL.

    • 4
    • 5
    • 6
    • 7
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Significant Figure - How Many Sig Figs? - Quiz
About This Quiz

Created By: Mr. Hwong™ of Arroyo High School, El Monte, CA
Free Chemistry education to all students: hwongclassroom. Com
Report any errors to me: harry. Hwong@emuhsd. Org
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1. All nonzero numbers are significant.
2. Zeros appearing between nonzero digits are significant.
3. Zeros appearing in front of all nonzero digits are not significant.
4. Zeros at the end of a number and to the right of a decimal point are significant.
5. Zeros at the end of a number and to the left of a decimal point may or may not be significant.

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  • 2. 

    In 107.845 L, there are ______ significant figures.

    • 5

    • 6

    • 7

    • 8

    Correct Answer
    A. 6
    Explanation
    zeros between numbers are significant.

    Rate this question:

  • 3. 

    How many significant figures are in 13.4 cm?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    all nonzero numbers are significant

    Rate this question:

  • 4. 

    How many significant figures are in 1.008 MJ (mega joules)?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 4
    Explanation
    zeros between numbers are significant.

    Rate this question:

  • 5. 

    There are 3 significant figures in 0.00340

    • True

    • False

    Correct Answer
    A. True
    Explanation
    zeros in front of numbers are NOT significant.
    zeros after numbers and AFTER decimal are significant.

    Rate this question:

  • 6. 

    There are 5 significant figures in 0.0001

    • True

    • False

    Correct Answer
    A. False
    Explanation
    zeros in front of numbers are NOT significant.

    Rate this question:

  • 7. 

    In 100.3 μg, there are ______ significant figures.

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 4
    Explanation
    zeros between numbers are significant.

    Rate this question:

  • 8. 

    How many significant figures are in 0.678 mg?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    zeros in front of numbers are NOT significant.

    Rate this question:

  • 9. 

    How many significant figures are in 0.0405 inches?

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 3
    Explanation
    zeros in front of numbers are NOT significant.
    zeros between numbers are significant.

    Rate this question:

  • 10. 

    There are ______ significant figures in 350.670 g.

    • 4

    • 5

    • 6

    • 7

    Correct Answer
    A. 6
    Explanation
    zeros between numbers are significant.
    zeros after numbers and AFTER decimal are significant.

    Rate this question:

  • 11. 

    There are 3 significant figures in 14.600 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    zeros after numbers and AFTER decimal are significant.

    Rate this question:

  • 12. 

    There are ______ significant figures in 1.000 kL.

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 4
    Explanation
    zeros after numbers and AFTER decimal are significant.

    Rate this question:

  • 13. 

    There are 4 significant figures in 7000

    • True

    • False

    Correct Answer
    A. False
    Explanation
    zeros after numbers and BEFORE decimal MAYBE significant (special rule).
    This one does not have a decimal to indicate significance.

    Rate this question:

  • 14. 

    There are ______ significant figures in 3,200,010 dm.

    • 4

    • 5

    • 6

    • 7

    Correct Answer
    A. 6
    Explanation
    zeros between numbers are significant.
    zeros after numbers and BEFORE decimal MAYBE significant (special rule).
    This one does not have a decimal to indicate significance.

    Rate this question:

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 02, 2017
    Quiz Created by
    Harry Hwong
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