4x 4 16x 2 16 July 8, 2019 16 32 64 128 X 4 4x 3 8x 2 16x 16 7 4x )= 1 2 4 16x )- 16 4x 4 16x 3 7x 2 16x 4 0 4x4 = 16 4 x 4 x 4 x