1 3 9 27 and 81 July 8, 2019 16 32 64 128 Geometric mean of 1 3 9 27 and 81 Geometric mean of 1 3 9 27 and 81 brainly What is the 12th number 1 3 9 27 and 81 What is the next number of 1 3 9 27 and 81 What rule defines the given sequence 1 3 9 27 and 81 1 3 9 27 pattern rule 1 8 27 64 and 125 inductive reasoning 81 27 9 3 what is the next