Question

how do you get the 10th term of a geometric sequence: 18, -6, 2, 2/3

Answer 1

The first term is 18 and the common ratio is -1/3, so the sequence can be described by a_n=18*(-1/3)^(n-1) where a_1=18.
a_10=18*(-1/3)^9

Answer 2

thanks soooo much... greatly appriciated!