Multiple choice

What is decimal equivalent of 111?

  1. 6

  2. 7

  3. 8

  4. 9
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To convert binary 111 to decimal: 1×2² + 1×2¹ + 1×2⁰ = 4 + 2 + 1 = 7. Each position from left to right represents 4, 2, and 1 respectively, and when all three are 1, they sum to 7.

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