9 5 7 8 2 3 July 8, 2019 16 32 64 128 9 8 7 6 5 x 4 3 2 1 3 8 5 7 2 9 are rational numbers 8 2 9 7 3 5 as a fraction 50 2x 7 8 2 9 3x 5 4