Respuesta :

abdullah47540

Answer:

not a geometric series 103 can't be term of this geometric series.

From first 3 terms 90,30,10, 10/3.......................

a₁ = 90, r= 1/3

so, Sum = a₁/(1-r)

S = 90/(2/3)

S= 270/2 = 135

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