which is greater 4 m or 400 dm

didnt help my child she know multply idiot

10 m = 1 dm

4 * 10 = 40 dm

To determine which quantity is greater - 4 meters (4 m) or 400 decimeters (400 dm), we need to compare the two.

First, let's convert both measurements to the same unit. Since decimeters are smaller units than meters, we can convert the meters to decimeters or vice versa.

One meter is equal to 10 decimeters (1 m = 10 dm). Therefore, we can convert 4 meters to decimeters by multiplying it by 10:
4 m * 10 dm/m = 40 dm

Now we have the measurements in the same unit, and we can compare them directly.

So, 4 meters (4 m) is equivalent to 40 decimeters (40 dm). Since 40 decimeters (40 dm) is greater than 400 decimeters (400 dm), we can conclude that 4 meters (4 m) is greater than 400 decimeters (400 dm).