1.   Identify the precision unit of the ruler below.
   
    A. in. B. 4 in.
    C. in. D. in.
    Hint

  2.   Identify the precision unit of the graduated cylinder below.
   
    A. 5 mL B. 0.5 mL
    C. 2 mL D. 1 mL
    Hint

  3.   Identify the precision unit of the clock below.
   
    A. 1 h B. 3 h
    C. 30 min D. 1 min
    Hint

  4.   Identify the weight shown on the scale using significant digits.
   
    A. 8 kg B. 8.65 kg
    C. 8.6 kg D. 8.7 kg
    Hint

  5.   Identify the measure shown on the graduated cylinder using significant digits.
   
    A. 16.53 mL B. 16 mL
    C. 16.5 mL D. 20 mL
    Hint



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