Decimal value of 101000000 binary number Result 101000000 = 320 Explained 1 * 28 = 256 0 * 27 = 0 1 * 26 = 64 0 * 25 = 0 0 * 24 = 0 0 * 23 = 0 0 * 22 = 0 0 * 21 = 0 0 * 20 = 0 In result: 256 + 64 = 320