400mm
1 cm = 10 mm 40 mm = 4 cm
40 mm = 4 cm 1 mm = 1/10 of a cm Multiply 40 mm*(1/10 * 1 cm) = 4 cm
4, there are 10mm in 1cm
40 centimetres is equivalent to 400 millimetres
40 cm = 400 mm 100 mm = 10 cm 100 cm = 1 metre
10 mm = 1 cm so 400
There are 10 mm in a cm, so 8 cm in equivalent to 80 mm. 80 mm / 2 mm = 40. Therefore, 8 cm is 40 times as long as 2 mm.
4
4
1 cm = 10 mm so 40 cm = 40*10 = 400 mm. Simple!
there are 40 mm in 4 cm.
40 mm 1 cm = 10 mm 1 mm = 0.1 cm