X 2 0 July 8, 2019 16 32 64 128 X 2 09 X 2 0.5 X 2 0 solve X 2 0.25 X 2 0 49 X 2 0.01 X 2 0 64 X 2 0 5x X 2 0 81 X 2 0 )= 4 X 2 0.1 X 2 0 )= 6 X 2 0 16 X 2 0 )= 8 X 2 0 3x 18