There are 10 millimetres in one centimetre. Therefore, 100 centimetres is equal to 100 x 10 = 1000 millimetres. This is 10 times longer than 100 millimetres.
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1 cm = 10 mm, which is less than 100 mm
There are 10 mm in a cm. So 4.9 cm is only 49 mm, far less than 490 mm.
1 m = 100 cm/1 m = 10 mm/1 cm =(100 cm x 10 mm) / 1 cm =1000 mm Therefore, 1 metre is 1000 times greater than 1 mm.
1 cm = 10 mm -> 100 cm = 1000 mm
1 cm = 10 mm 800 cm = 8,000 mm That's more than 1,000 mm. 1,000 mm = 100 cm