Determine o 1º termo da P.G. (a1,1,5,25,125,...) e marque a opção correta?

0 ⤊

a) 2/5
b) 1/5
c) 5
d)10

2006-11-15 07:39:17 · 4 respostas · perguntado por PATRICIA MIRANDA M 1 em Ciências e Matemática ➔ Matemática

letra b
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2006-11-15 07:55:11 · answer #1 · answered by Luiz S 7 · 0⤊ 0⤋

P.G. (a1,1,5,25,125,...)

q =a3 : a2 = 5 : 1 = 5
a1 = 1: 5
a1 = 1/5

Resposta: Alternativa B.
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2006-11-15 16:21:16 · answer #2 · answered by aeiou 7 · 0⤊ 0⤋

b) 1/5

2006-11-15 15:46:42 · answer #3 · answered by Catarina 1 · 0⤊ 0⤋

b) 1/5

2006-11-15 15:43:34 · answer #4 · answered by mestre dos magos 2 · 0⤊ 0⤋