2dm
no
40
They're equivalent
They are both the same in measurements
40 centimetres is greater than 40 millimetres.Note, there are 10 millimetres to 1 centimetre.Therefore, 40 millimetres only measures 4 centimetres.
2km,because just 1km is 100m.
40cm is 400mm
40cm
6.4 metres as .4 means 40cm
8
1 decimeter is 10cm, so 4 is 40cm, greater than for 4cm