Q: 9 dm equals how many cm?

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1 dm = 10 cm 0.9 dm = 9 cm = 90 mm

90 cm is 9 decimeters.

0.9 dm is 9 cm is 90 milimeters

890 cm = 8900 mm 9 dm = 900 mm So, 890 cm is greater than 9 dm.

1 dm = 10 cm so 7.5 dm/90 cm = 75 cm / 9 cm = 75/9 = 25/3

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1 dm = 10 cm 0.9 dm = 9 cm = 90 mm

90 cm is 9 decimeters.

0.9 dm is 9 cm is 90 milimeters

890 cm = 8900 mm 9 dm = 900 mm So, 890 cm is greater than 9 dm.

1 dm = 10 cm so 7.5 dm/90 cm = 75 cm / 9 cm = 75/9 = 25/3

9 millimeters.

The centi- prefix means one hundredth → 1 cm = 0.01 cm The deci- prefix means one tenth → 1 dm = 0.1 cm → 25 cm : 9 dm = 25 × 0.01 m : 9 × 0.1 m = 0.25 m : 0.9 m = 0.25 : 0.9 = 25 : 90 The radio of 25cm to 9 dm is 25:90

1 dm = 10 cm, so the ratio is 45:70 or 9:14

915cm

1.11... recurring lots of 9 dm = 1 metre.

Each centimetre equals 10 millimetres. So, 9 cm equals 90 mm.

By unit of length and distance and conversion ,we can say that 1 dm=10 cm 90 cm=9 dm.