5c 4 3c 2 July 8, 2019 16 32 64 128 5c 4 2c 3c 3 5c 1 )= 4 3c 2 6 3c 4 )- 2 5c 1 3c 4 5c 6 2 4 3c 5c 2 in standard form 4 3c 2d )- 2 5c 3d 5c 2d 3c 4 3c 4 )( 2c2 5c 7 3 4×5c