90dm (decimetres) = 9 metres.
9 meters is 90 decimeters.
36.66 dm
There are 10 dm in a meter.
There are 10 dm per meter; so divide 40 dm by 10 to get 4 meters.
90 dm = 29.5275 '
Hint: 1 m = 10 dm... 3 meters = 3 x 10 dm = 30 dm
50 m = 500 dm
1 decimeter = 10 meters so 400 dm = 4000m (1 km)
1 decimeter (dm) is .1 meters or 1/10th of a meter. A dekameter (dam) is 10 meters.
10m
8.3
380