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UI Post-UTME Mathematics 2012 Question 19

Question 19

Number Bases

Convert the binary number 1111.101 to base ten.

  1. A.11.101
  2. B.11.65
  3. C.15.625
  4. D.11.125
Show the answer and explanation

Answer: C (15.625)

Explanation

8 + 4 + 2 + 1 + 0.5 + 0.125 = 15.625.