4 4 15 July 8, 2019 16 32 64 128 4 4 15 as a decimal 4 * 4 * 150 4 4 15 simplified 4 4 )- 15 x 4 4 15 2 4 4 15 5 4 4 15 6 4 4 15 3 4 4 15 1 4 4 15 16 4 * 4 * 1500 4 4 15 )(- 8 4 4 15 7 4 4 15 10 4 15 4 20
