10 millimeters = 1 centimeter
       100 centimeters = 1 meter
       1000 millimeters = 1 meter
       1000 meters = 1 kilometer

       COMMON ABBREVIATIONS:

              millimeters -> mm
              centimeters -> cm
              meters      -> m
              kilometers  -> km

 
   1) Convert 60 millimeters into centimeters.

        SOLUTION: To convert millimeters into centimeters divide
                  by ten. (60/10 = 6)

        ANSWER: 60 mm = 6 cm.

   2) Convert 4 meters into centimeters.

        SOLUTION: To convert meters to centimeters multiply
                  by 100. (4 x 100 = 400)

        ANSWER: 4 m = 400 cm

   3) Convert 2 meters into millimeters.

        SOLUTION: To convert meters into millimeters multiply
                  by 1000. (2 x 1000 = 2000)

        ANSWER: 2 m = 2000 mm

   4) Convert 17 centimeters into millimeters.

        SOLUTION: To convert centimeters into millimeters
                  multiply by 10. (17 x 10 = 170)

        ANSWER: 17 cm = 170 mm

   5) Convert 4 kilometers into meters.

        SOLUTION: To convert kilometers into meters multiply
                  by 1000. (4 x 1000 = 4000)

        ANSWER: 4000 m