100
One.
100 decameters
One thousand.
1 meter=0.1 decameters
1 kilometer = 100 decameters
To convert kilometers to decameters, you can use the conversion factor that 1 kilometer equals 100 decameters. Therefore, to find how many decameters are in 4.5 kilometers, you multiply 4.5 by 100. This results in 450 decameters.
700 decameters is 7,000 meters.
2 decameters = 20 meters.
9 decameters is 900 decimeters.
729.55 centimeters is 0.72955 decameters.
5 kilometers is equivalent to 500 decameters.
3.3 kilometers = 330 decameters