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Hint: 1 dm = 10 cm...
30 centimeters is equal to 3 decimeters
3 decimetres is equal to 30centimetres.
900
750 dm equals to 7500 cm.
53.6 dm
20 dm
370 cm = 37 dm
270 cm
2500 cm
1 dm= 10m 1m =100 cm 1dm = 1000 cm
30.