Significant Figures Worksheet

 

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  1. Why are significant figures important?

    2.  

     

  2. How many significant figures are in the following numbers

      3.  

    1. 30,100

      2.  

    2. 30,000.

      3.  

    3. 50,000

      4.  

    4. 0.00030

      5.  

    5. 2.54 exactly

      6.  

    6. 5.82 x 103

     

     

  3. Rules for carrying over significant figures

      4.  

    1. Addition/Subtraction

      1. How many significant figures would the answer have for
        5.42 +13.159 =
    2. Multiplication/Division

      1. How many significant figures would the answer have for
        (53298) x (432) =

     

  4. What is dimensional analysis?

    5.  

     

  5. Perform the following calculation

      6.  

    1. 32 cm3 = ___ L

      2.  

    2. 100.0 yards = ____ cm

      3.  

    3. 5 m3 = ___ cm3

      4.  

    4. 455 seconds =  ___  minutes

      5.  

    5. 25.6oC = _____ K

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