Multiple choice How many 1's are present in the binary representation of 15 * 256 + 5 * 16 + 3? 8 9 10 11 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Calculate: 15 * 256 = 3840, 5 * 16 = 80, plus 3 = 3923. Binary: 3923 = 11110101011 (11 bits). Counting 1's: 1+1+1+1+0+1+0+1+0+1+1 = 8 ones.