28 4 = 4 2 x July 8, 2019 16 32 64 128 28 4 4 2 x 28 4 2 x 3 28 8 4 x 4 2 28 4 10 x 5 4 2 3 4 28 4 6 x 2 ) Simplify 28 6 4 x 4 2 28 x 4 2