a) 3,85 hm = 3,85 *100 =385 m
212 cm =2,12 m
1 mm = 0,001 m
385m+0,15m+2,12m+0,001m = 387,271
b ) 2,25 =2,25 *100=225m
1564 = 1564:10000 = 0,1564 m
0,8 =0,8 *10000 =8000 m
225 m +18m+0,1564 m+800m = 1043,1564 m
c) g= 14 dg + 236 g + 2 dag + 8,4 kg=
0,14 g+236 g+20g+8400 g = 8656,14 g