2 7x10 5 July 8, 2019 16 32 64 128 2 7 x 10 5 7x10 2 x 8x10 5 7x10 2 x 3x10 5 5 x 7 2 10 25 10 2 x 7 5 4 2 5 x 7 10 in fraction 2 7×105 2 7x10