2dm
3cm-1dm = 2
8
1dm=10cm Therefore; 1dm.1dm.1dm=10cm.10cm.10cm 1dm3=1000cm3
no
40cm
I believe its 20 cm
A 1dm pen is longer than a 12cm pencil. 1dm is equivalent to 10cm, so a 1dm pen would be 2cm longer than a 12cm pencil.
They're equivalent
They are both the same in measurements
1dm = 10 cm 50dm x 10cm/1dm = 500cm
10 cents