Question

0,42dg=?mg
4,81g=?hg
421cm=?dam
0,23m?mm
0,78cm^2=?mm^2
249mm^3=?cm^3
multumesc :)

Answer 1

0,42dg=0,42*100 (mg)=42mg ;
4,81g=4,81:100 (hg)=0,0481g ;
421cm=421:1000 (dam)=0,421dam ;
0,23m=0,23*1000(mm)=230mm ;
0,78cm^2=0,78*100(mm^2)=78mm^2 ;
249mm^3=249:1000(cm^3)=0,249cm^3 ;