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WAEC Data Processing 2021 Question 2

Question 2

Number Systems

The number 1011001012 in denary is

  1. A.753.
  2. B.653.
  3. C.357.
  4. D.356.
Show the answer and explanation

Answer: C (357.)

Explanation

101100101₂ = 256 + 64 + 32 + 4 + 1 = 357.