Resposta :
Resposta:
6- q=a2/a1=2/6 =1/3
Se -1 < q < 1 ==> sn=a1/(1-q)
Sn= 6/(1-(1/3) ) =6/(2/3) =6*3/2 = 9
letra A
7-
M= 230,5 * (1+ 12* 0,02) = R$ 285,82
8-
J= M-C
J= 200*(1+0,05)³ - 200
J = R$ 31,53
Letra C
Resposta:
6- q=a2/a1=2/6 =1/3
Se -1 < q < 1 ==> sn=a1/(1-q)
Sn= 6/(1-(1/3) ) =6/(2/3) =6*3/2 = 9
letra A
7-
M= 230,5 * (1+ 12* 0,02) = R$ 285,82
8-
J= M-C
J= 200*(1+0,05)³ - 200
J = R$ 31,53
Letra C