Question

qual é o oitavo termo da p.g. (2,6,18,...)

Answer 1

$Resolu\c{c}\~ao\to \left\{\begin{array}{ccc}P.G(2,6,18,...)\\\\a_n=a_1*q^{n-1}\\\\a_8 = a_1*q^{8-1}\\\\a_8 = 2*3^{7}\\\\a_8 = 2*2187\\\\\boxed{\boxed{a_8 = 4374}}\end{array}\right$

Espero ter ajudado. :))