Răspuns:
A) 140dag ÷10=14g
15 dag ÷ 10= 1,5 g
5 hg÷10=0,5 dag
B) 500 g× 10= 5000
4000 kg ×100=4,000,000 t
7000 kg × 10= 70000 q
c) 130 t÷10⁵= 0,0013g
0,0013:10=0,00013kg
40,000 kg×10=400,000q
400,000q×100=40,000,000 t
37,000dag ×10=370,000 hg
370,000 hg×100=37,000,000kg