Respostas

2014-04-25T16:48:23-03:00
2014-04-25T16:52:56-03:00
A)  (2,9) ^ 2 = (29/10)^2 = (29^2)/(10^2) =8,41
B) (0,29) ^ 2 = (29/100)^2 = (29^2)/(100^2) =0,0841
C) (29*10)^2= (29^2)*(10^2) = 84100
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