By unit of length and distance and conversion ,we can say that
1 km =10000 dm
56 dm =0.0056 km
2 km = 20,000 dm
10
1 km = 10000 dm 20 km = 200000 dm
20 kilometers (km) is greater than 20 decimeters (dm). To compare them, it helps to convert them to the same unit: 1 kilometer equals 10,000 decimeters, so 20 km equals 200,000 dm. Therefore, 20 km is much greater than 20 dm.
Answer: 6540 dm = 0.654 km
A dm (decimetre) is equal to 1/10 of a metre, so 10dm is equal to 1 metre, there are 100 metre's in a km (kilometre) so the answer is 10,000km is equal to 100,000,000 decimetres.
515 km = 515 x 10 dm = 5,150 dm
195 kilometers is equal to 1,950,000 decimeters.
6540 decimeters = 0.654 kilometers.
Assuming decimeters.... 0.0001 km Algebraic Steps / Dimensional Analysis 1 dm*1 km 10000 dm=0.0001 km
dm = 10**-1m km = 10**3m 10000dm / km 324*100=3240000
1 km = 10 dm