find the 7th term in the sequence 0.2,0.1,0.05,0.025,
The nth term is given by :
0.2 (1/2)(n -1) so, when n = 7.......the 7th term =
0.2 (1/2) (7 -1) =
0.2 (1/2) 6 =
0.003125
