30.
3 dm 3000 cm 3000 m, 300 km
To convert centimeters to decameters, you need to divide by 10 twice because there are 10 centimeters in a decimeter and 10 decimeters in a meter. Therefore, 300 cm is equal to 3 decameters (300 cm / 10 cm/dm / 10 dm/m = 3 dam).
1 dm = 10 cm 200 dm = 2000 cm
10 cm in 1 dm
there are 200 cm in 20 dm
3000 cm and 3 dm are equal after that 3000m will come and the greatest one is 300 km
1 dm = 10 cmSo 5 cm = 0.5 dm
1,000,000 cm = 100,000 dm
2.5 dm
0.125 dm
10 cm = 1 dm so 145 cm = 145/10 = 14.5 dm. Simple!
10 cm = 1 dm so 2.7 cm = 2.7/10 = 0.27 dm. Simple!