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Convert the decimal number 89 to a binary number

Mathematics
WAEC 1996

Convert the decimal number 89 to a binary number

  • A. 101101
  • B. 111001
  • C. 1001001
  • D. 1001101
  • E. 1011001
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Correct Answer: Option E
Explanation
2 89
2 44 r 1
2 22 r 0
2 11 r 0
2 5 r 1
2 2 r 1
2 1 r 0
  0 r 1

89\(_{10}\) = 1011001\(_{2}\)

 

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