Question

eu quero a conta 
Qual é o 6º termo da pg  (512,256.....)

Answer 1

$r=\frac{256}{512}=>r=\frac{1}{2}\\\\a_n=a_1*q^{n-1}\\a_6=512*(\frac{1}{2})^{6-1}\\a_6=512*\frac{1^5}{2^5}\\a_6=512*\frac{1}{32}\\a_6=\frac{512}{32}\\\\a_6=16$