Multiple choice 9 is the decimal equivalent of ____. 1010 1001 1110 1100 Reveal answer Fill a bubble to check yourself B Correct answer Explanation To find which binary equals 9, we test: 1001 = 1×2³ + 0×2² + 0×2¹ + 1×2⁰ = 8 + 0 + 0 + 1 = 9. This is the correct representation.