Question

1. Find the common ratio of the sequence: 1,

1/2, 1/4, 1/8, 1/16,

(1) 2 (3) -2 (2) 1/2 (4) -1/2​

Answer 1

1/2 is an answer
1•1/2=1/2
1/2•1/2=1/4
1/4•1/2=1/8
1/8•1/2=1/16