10 times 3 1 4 times 6 1 2 July 8, 2019 16 32 64 128 6 2 3 times 5 1 4 times 2 1 10 6 times10^ -4 1 + 2 + 3 + 4 = 10 4 times - 10 10 times 2/6 10 times 3