7 frac 2 9 6 frac 5 6 July 8, 2019 16 32 64 128 Frac 7 Frac 6^ 7 2^ 7 C) 2 ^ 9 / (- 6 ^ 7 / (3 ^ 7)) Frac 6 7 - frac 2 5 = 7 6 − 5 2 Frac 2 7 - frac 6 7 72−76