_ _ 7 4 6 3 4 1 July 8, 2019 16 32 64 128 7 6 3 4 )* 1 2 4 6 7 x 1 3 4 6 4 3 c 7 16 4 4 + 4 = 6 - 7(- 4 7) - 6 8 (4 3 - 6 7) (-0 6)