A 4 5 1 1 2 July 8, 2019 16 32 64 128 4 5 1 1 20 4 5 1 1 2 3 A 4 5 6 =- 1 2 4 5 1 1 2 as a fraction 4 5 1 2x =- 1 8 4 5 1 1 2 4 5 x 1 1 2 as a fraction A 1 2 3 4 5 6 A - 4 = 5