Question

Given the sequence 7, 14, 28, 56, ..., which expression shown would give the tenth term?

Answer 1

L=A*R^(N-1)
L is the last number
A is the first number
R is the ratio
N is the nth term
--------------------
L=7*2^(10-1)
L=7*2^9
L=7*512
L=3,584 is the 10th term in the sequence