4 dm is how many cm?
40
11 cm is how many mm?
110
15 km is how many meters?
15000
20 m is how many cm?
2000
9 cm is how many mm?
90
24 m is how many dm?
240
How many mm is 3 cm?
30
7 m is how many cm?
700
2 km is how many meters?
2000
