Respostas

  • Usuário do Brainly
2014-03-24T15:19:16-03:00

1g----------------1000mg
0,2---------------x
regra de tres com notaçao cientifica
x=200mg
1 1 1
2014-03-24T15:21:33-03:00
Kg hg dag g dg cg mg
2 20 200 2000
1 1 1
kg hg dag g dg cg mg
0.002; 0,02; 0,2; 2; 20; 200; 2000