There are 510 mm in 51 cm, since 1 cm = 10 mm
5.1 centimeters is 51 millimeters.
510 of course !
There are 40 millimeters between 47 and 51 on a meter stick. Each centimeter on a meter stick contains 10 millimeters, so the difference between 47 and 51 is 4 centimeters, which is equivalent to 40 millimeters.
OK, SO 5.1 centimeters is equal to 51 millimeters. Hope this helps!
22 millimeters=2.2 centimeters
70 millimeters=7 centimeters
6.98 centimeters=69.8 millimeters
There are 49 centimeters in 490 millimeters.
15 centimeters are in 150 millimeters.
2.1 centimeters=21 millimeters
1 centimeters = 10 millimeters; so 130 millimeters is 13 centimeters
190 millimeters is equal to 19 centimeters. To convert millimeters to centimeters, you divide by 10.