1 decimetre = 100 millimetres so 40 dm = 40*100 mm = 4000 mm. Simple!
4,000 millimeters=40 decimeters
40 decimeters=4,000 millimeters
1 decimeter = 100 millimeters, so 40 decimeters = 100 * 40 millimeters, or 4000.
40 decimeters is 4,000 millimeters.
40 decimeters = 4000 millimeters
There are 100 millimetres in one decimetre. Therefore, 40 decimetres is equal to 40 x 100 = 4000 millimetres.
40 centimeters, 400 millimeters, 0.4 meters, 0.04 kilometers
40 cm
4 decimeters
To convert from decimeters (dm) to millimeters (mm), you need to multiply by 100. Therefore, to convert 0.4 dm to mm, you would multiply 0.4 by 100, which equals 40 mm. So, 0.4 dm is equivalent to 40 mm.
400 decimeters equals 0.04 kilometers 0.4 hectometers 4 decameters 40 meters 4,000 centimeters 40,000 millimeters Hope this helps
400 decimeters is 40 meters.