Răspuns :
Răspuns:
275,2m=27520cm
1003,4cm=100,34dm
4,2hm=420m
20,1km=2010dam
275,2m= 275,2•10 la puterea 2
=27520 cm
1003,4cm= 1003,4•10 la puterea -1
=100,34 dcm
4,2hm= 4,2•10 la puterea 2
=420 m
20,1km= 20,1•10 la puterea -2
=0,201 dam
sper sa fie bine .
Succes!