1 3 x 81 x 9 July 8, 2019 16 32 64 128 13 3 x 81 1 3 x 9 1 3 x 3.14 x 81 x 9 Solve for x 3 81 x 3 9x 1 9x 1/3 x 81 x 12 81+ x 11 ( 1 3 ) x 81 x ≤ 5
