4 7x3 2 July 8, 2019 16 32 64 128 4 7 x 3 21 4 7 x 3 2 4 7 x 3 2 as a fraction 4 7x3 5x5 2 3 4 7x3 2 4 7x3 6x2 3x3 3 2x2 7 x 4 )= 2x 3 7 3 x 8 4 2x 3x 2 7 x 3 4 3 2x 4 7 x 5 4 3 x 22 7 4 √ 7x3 √ 28