4000
1 decimeter = 100 millimeters, so 40 decimeters = 100 * 40 millimeters, or 4000.
4 decimeters
400 millimeters equals 40 centimeters.
40 decimeters
A decimeter is 1/10 of a meter, so 40 decimeters equals 4 meters.
40 meters equals 400 decimeters
4,000 millimeters=40 decimeters
40 cm
10 dm equals 1 meter. Divide 400 by 10 to get your answer.
4 meters is 40 dm (decimeters), yes More popular use is of 400 cm centimeters or 4000 mm (milimeters)
40 decimeters=4,000 millimeters
There are ten millimeters in a centimeter, so all you have to do is divide 40 by 10, which equals 4.