Respostas

2013-07-18T00:17:39-03:00
100 cs = 1 s
2
00 cg = 2 g  
3 mm3 = 3×10-3 cm3
  (3 x 10 elevado a menos 3)
6m2 = 6000000 mm2
 
400 hm2= 0,04 km2  
10dm = 1000 mm  
2,5km = 2500 m