4 decimeters
4000
40 decimeters
A decimeter is 1/10 of a meter, so 40 decimeters equals 4 meters.
40 meters equals 400 decimeters
4 meters is less than 400 decimeters. Since 1 meter equals 10 decimeters, 4 meters equals 40 decimeters. Therefore, 40 decimeters is much less than 400 decimeters.
4,000 millimeters=40 decimeters
10 dm equals 1 meter. Divide 400 by 10 to get your answer.
40 cm
40 decimeters=4,000 millimeters
1 decimeter = 100 millimeters, so 40 decimeters = 100 * 40 millimeters, or 4000.
400 decimeters is 40 meters.
A meter has 10 decimeters. So, four meters must be 40 decimeters.