3 2 x 5 8 7 4 July 8, 2019 16 32 64 128 1 2 3 x 4 5 6 7 8 1 2 x 5 8 y 1 3 x 4 7 y 1 2 3 5 x 8 7 4 2 5 x 4 2 3 x 4 5 x 6 7 x 8 9 3 5×(-2 8) 2 3 + 5 8 x 3 5/7