4 2*(-7)-9 3 July 8, 2019 16 32 64 128 4 2 7 )- 9 3 4 1 3 2 7 9 4 2 9 3 6 7 4 9 2 3 class 7 2 7 9 3 4 5 4 2 3 7 9 as a fraction 4 2 3 plus 7 9
