2 3-7 July 8, 2019 16 32 64 128 2 3 7 2 3 7 8 2 3 7 as an improper fraction 2 3 7 12 2 3 7 9 2 3 7 8 tcdd 2 3 7 8 tetrachlorodibenzo p dioxin 2 3 7 6 2 3 7 5 2 3 7 11 2 3 7 4 2 3 7 15 2 3 7 8 13 2 3 7 in fraction 2 3 7 2x )= 11
