Multiple choice

What is decimal equivalent of 1010?

  1. 12

  2. 10

  3. 8

  4. 7

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To convert binary 1010 to decimal: 1×2³ + 0×2² + 1×2¹ + 0×2⁰ = 8 + 0 + 2 + 0 = 10. The positions from left to right represent 8, 4, 2, and 1, and only the 8 and 2 positions have 1s.