18 6 2 sequence July 8, 2019 16 32 64 128 54 18 6 2 sequence 18 6 2 geometric sequence 18 6 2 2/3 sequence 2 6 18 54 sequence formula 2 6 18 54 sequence 8th term 2 6 18 54 sequence rule 2 6 18 54 sequence answer 2 6 18 54 sequence formula example
