40 cm because in metrics you just divide by 10
50 millemeters exactly.
measure by centimeters or millemeters every time
Millemeters
400 centimeters=4 meters
4.6 kilometers is 460,000 centimeters.
400 millimeters equals 40 centimeters.
400 centimeters is 13 feet and 1.48 inches or 13.12 feet
400 inches is 1,016cm
40 decimeters = 400 centimeters
40 centimeters = 400 millimeters
By unit of length and distance and conversion ,we can say that 1 cm=10 mm or 1mm=0.1 cm 300 mm30 cm
400 centimeters is 4,000 millimeters.