5 of course
4.75 cm equals 47.5 mm. There are 10 mm in 1 cm. So you multiply 4.75 * 10.
one tenth of a milimeter
Millimetres and millimetres are the same measurement. Therefore, 547 millimetres is equal to 547 millimetres.
Mm is greater. "M" means mega- while "m" means milli-.