Convert these measurements
72.3 m = cm
72.3 m = km
835 mm = cm

72.3 m = 7230 cm

72.3 m = 0.0723 km

835 mm = 83.5 cm

Explanation:

1 m = 100 cm

72.3 = 72.3 * 100 = 7230

1 m = 0.001 km

72.3 m = 72.3 / 1000 = 0.0723

1 mm = 0.1 cm

835 mm = 835 / 10 = 83.5

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

b. a lightning bug, plug of grass, and a worm