What is the decimal equivalent of the binary number 101101?

Options

  • A. 43
  • B. 44
  • C. 45
  • D. 46
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 45

Detailed Explanation

Correct Answer: (C) 45
Binary 101101 = (1 × 2⁵) + (0 × 2⁴) + (1 × 2³) + (1 × 2²) + (0 × 2¹) + (1 × 2⁰).
= 32 + 8 + 4 + 1 = 45.