Respostas

2014-03-25T18:49:22-03:00
12,4= 124/10
7,52=752/100
0,003=3/1000
10,8=108/10
1,887=1887/1000
2014-03-25T19:00:58-03:00
Olá

a) 12,4= 124/10=  equivalente a 1240/100
 b) 7,52= 752/100= equivalente a 7520/1000
c) 0,003= 3/1000= equivalente a  30/10000
d) 10,8= 108/10= equivalente a 1080/1000
e) 1,887=1887/1000= equivalente a 18,87/10=