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

  2.   Identify the precision unit of the scale below.
   
    A. 0.25 oz B. 0.3 oz
    C. 0.5 oz D. 1 oz
    Hint

  3.   Identify the precision unit of the thermometer below.
   
    A. 0.5°F B. 1°F
    C. 5°F D. 10°F
    Hint

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

  5.   Maurice Greene of the United States won the 100-meter run in the 2000 Olympics with a time of 9.87 seconds. How many significant digits are in this measurement?
    A. 3 B. 9
    C. 7 D. 8
    Hint



Glencoe
The McGraw-Hill Companies