2 7 minus July 8, 2019 16 32 64 128 2 7 minus 1 3 2 7 minus 1 2 7 minus 1 5 2 7 minus 3 4 2 7 minus 1 6 2 7 minus 1 9 2 7 minus 1 4 2 7 minus 1 4 as a fraction 2 7 minus 4 5 2 7 minus 5 14 2 7 minus 1 9 as a fraction 2 minus 7 10
