Question

determine a soma dos termos pg (50,10...)

Answer 1

P.G.(50,10,.......)
q = a 2 / a 1
q = 10/50
q = 1/5
S n = a 1 / 1 - q
S n = 50 / 1 - 1/5
S n = 50 / 5/5 - 1/5
S n = 50 / 4/5
S n = 50 : 4/5
S n = 50 x 5/4
S n = 250 / 4
S n = 125/2