dm = 0.1m cm = 0.01m
mm = 0.001m
nm = 0.000000001m
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1 dm = 10 cm 0.9 dm = 9 cm = 90 mm
In numerical order: mm - there are 10 millimetres in one: cm - there are 10 centimetres in one: dm - there are 10 decimetres in one: m - metre.
1 dm = 10 cm, 10 cm = 100 mm, so 1 dm = 100 mm and 0.35 dm = 35 mm
9000 mm = 900 cm = 90 dm
890 cm = 8900 mm 9 dm = 900 mm So, 890 cm is greater than 9 dm.