Question

qual o sexto termo de P.G (2,6,18...)

Answer 1

a1=2
razão=6/2=3
n=6

an=a1.q^n-1
an6=2.3^6-1
an6=2.3^5
an6=2.243
an6=486


espero ter ajudado

Answer 2

razão
q=6/2=3

$an=a1. q^{n-1}$

$an=2. 3^{6-1}$

$an=2. 3^{5}$

$an=2.243$

$an=486$