Question

Qual o sexto termo da P.G(512,256...)

Answer 1

P.G.(512,256,128,64,32,16)
q =a 2 / a 1
q = 256/512
q = 1/2
a6 = a 1 . q^6-1
a 6 = 512 . (1/2)^5
a 6 = 512 . 1/32
a 6 = 512/32
a 6 = 16