4 a 2 )- 9 11 July 8, 2019 16 32 64 128 4 x 2 )- 9 11 Y 4 2 9 11 4 3 9 2 11 4 m 2 11 9 5 3m 6 4 9 2 11 as a fraction A 1 2 3 4 5 6