How many millimetres are there in 4.2 centimeters?

Answer 1

There are 10 millimetres in one centimetre. Therefore, 4.2 centimetres is equal to 4.2 x 10 = 42 millimetres.

Answer 2

There are 10 millimetres in one centimetre. Therefore, 42 centimetres is equal to 42 x 10 = 420 millimetres.

Answer 3

There are 10 millimetres in one centimetre. Therefore, 42 millimetres is equal to 42/10 = 4.2 centimetres.