Question

Find the first six terms of the sequence. a1 = -8, an = 5 • an-1

Answer 1

$a_1 = -8\\ a_n = 5 \cdot a_{n-1 }\\\\ a_2=5\cdot(-8)=-40\\ a_3=5\cdot(-40)=-200\\ a_4=5\cdot(-200)=-1000\\ a_5=5\cdot(-1000)=-5000\\ a_6=5\cdot(-5000)=-25000$