Meters or rarely centimeters.
Centimeters or Meters. I'm not sure which.
The answer would be meters
If you have three measurements of length (meters, centimeters, millimeters) and you multiply them together, you will end up with a measure of volume (liters). Of course, if you were to actually do this, you would want to convert all of the lengths into a common unit (convert centimeters and millimeters to meters or convert meters and centimeters to millimeters).
You would use meters, kilometers, centimeters, and millimeters
Centimeters, Kilometers, Millimeters, Meters and Decimeters.
When measuring a banana, you can use millimeters or centimeters for length. For weight, you can use kilograms.
630 centimeters and 6300 millimeters
Meters, centimeters, or millimeters.