70kg 3g = ..70,003...... kg             7200 m = ..7,2...... km       7000 dm2 = .70....... m2

5m 7 cm = ...5,07...... m        5km 7 m = ..5,007....... km          5m2 7 dm2 = .....5,27... m2

5 tấn 7 tạ = ....5,7..... tấn          5,65 m = .0,0565........ hm     5m2 7 cm2 = ....5,0027.... m2

8,5 56 kg = ..0,08556....... tạ            8,5 dm =0,85 ......... m  8,5 cm2  = ..0,00085...... m2

0,5 tấn = ...500...... kg   0,5 cm = .....0,005.... m   0,5 m2= ...50...... dm2

4/5 tạ = ......0,08..... tấn   4/5 km = .800..........m   4/5 m2 = ...80.....dm2