Question

The first term of a geometric sequence is 6 and the common ratio is -4 find the 6th term

Answer 1

R = - 4
t1 = 6

tn = a1*r^(n - 1)
t6 = 6 * (-4)^(6 - 1)
t6 = 6 * (-4)^5
t6 = 6 * (-1024)
t6 = -6144