Question

For the following geometric sequence find the 5th term in the sequence. {0.125, -0.25, 0.5, ...}

Answer 1

B1 = 0.125
b2 = - 0,25
q = b2/b1 = - 0,25/0,125 = - 2

b5 = b1*q^4 = 0,125*(-2)^4 = 0,125*16 = 2

A