5 2 5 1 4 9 July 8, 2019 16 32 64 128 5 2 3 1 4 9 7 1 2 x 5 2 5 2 x 1 4 9 1 5 7x 5 9 2 4 9 2 1 5 4 /- 9 as a fraction 2 5 m 4 )= 1 5 3m 9