Three.
There are about 4 inches to a decimeter. Or 3.94 and a bunch of smaller numbers.
1 dm
8 dm
40 dm
680 of them.
100 mm in a dm
.001 hm are in a dm
2.5 dm
200 dm
180 dm
0.125 dm
To determine how many 3 dm segments fit into 10 dm, you divide 10 by 3. This calculation gives you approximately 3.33. Therefore, you can fit three full 3 dm segments into 10 dm, with a remainder of 1 dm.