18.3 dm is longer.
1 dm = 10 cm so 4 dm = 40 cm...
The conversion between cm and dm are given .On finding the relation we get as follows . 1 dm=10 cm . It means decimeter is longer than cm.
12 cm
a 12 cm pencil is longer
14
8
1 dm = 1 cm → 1 dm² = 1 dm × 1 dm = 10 cm × 10 cm = 100 cm² → To convert dm² to cm² multiply by 100 → 5 dm² = 5 × 100 cm² = 500 cm².
8
1 dm = 10 cm 200 dm = 2000 cm
No 1 dm = 10 cm
10 cm in 1 dm