What is the next number in the sequence 3 9 27 81 July 8, 2019 16 32 64 128 What is the next number in the sequence 3 9 27 81 __ 1 3 9 27 pattern rule What is the next number in the sequence 3....9....27....81 Find the missing number in the sequence Find the sequence of numbers 3 9 27 81 what next