810 cm is 1,000 times as great as 8.1 mm .
5 cm = 50 mm which is greater
420 mm is greater than 4.2 cm
680 mm is the same as 68 cm
15 cm is greater than 150 mm. This is because 1 cm equals 10 mm, so 15 cm is equal to 150 mm. Therefore, 15 cm and 150 mm are equal, not greater or less.
10 cm is greater than 38.5 mm because 10 cm = 100 mm and 38.5 millimeters = 3.85 centimeters.
8.1 cm = 81 mm
64 cm is greater than 630 mm which equals 63 cm
5 cm = 50 mm which is greater
Cm are greater
3.4 cm equals 34 mm which is greater than 30 mm
6 cm is greater than 50 mm which equals 5 cm
201 mm = 20.1 cm So, no, it isn't greater.
420 mm is greater than 4.2 cm
680 mm is the same as 68 cm
1 meter = 100 cm = 1000 mm there are 10 mm in 1cm so 300 mm = 30 cm. greater
90 cm is greater than 9 mm
64 cm is 1 cm greater than 630 mm