Question

escreva uma pg de oito termos em que a1=5 e q=2

Answer 1

$n=8\\\\q=2\\\\ a_1=5\\\\\\ a_2=a_1*q\to a_2=5*2\to a_2=10\\\\ a_3=a_2*q\to a_3=10*2\to a_3=20\\ \\a_4=a_3*q\to a_4=20*2\to a_4=40\\\\ a_5=a_4*q\to a_5=40*2\to a_5=80\\\\ a_6=a_5*q\to a_6=80*2\to a_6=160\\\\ a_7=a_6*q\to a_7=160*2\to a_7=320\\\\ a_8=a_7*q\to a_8=320*2\to a_8= 640\\\\\\\\ PG(5, 10, 20, 40, 80, 160, 320, 640)$