Errr. No.
275 cm = 2750 mm, because 1 cm = 10mm.
Cm are greater
64 cm is greater than 630 mm which equals 63 cm
90 cm is greater than 9 mm
420 mm is greater than 4.2 cm
64 cm is 1 cm greater than 630 mm
38.5 mm is not greater than 10 cm. In fact, 10 cm is equal to 100 mm, which is significantly larger than 38.5 mm. Therefore, 10 cm is greater than 38.5 mm.
1 meter = 100 cm = 1000 mm there are 10 mm in 1cm so 300 mm = 30 cm. greater
3.4 cm equals 34 mm which is greater than 30 mm
1 cm = 10 mm 275 mm = 27.5 cm
6 cm is greater than 50 mm which equals 5 cm
23.67 cm = 236.7 mm Therefore 237 mm is greater than 23.67 cm
1 cm = 10 mm12 cm = 120 mmSo 12 cm is greater than 98 mm.