2 3 x 10 4 x 9 15 July 8, 2019 16 32 64 128 2 3 x 10 )= 2 2x 10 3x 15 2 x 10 )=- 4 2 10 2 x 4 9x 10 10x 5 or 4x 7 3x 3
