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Question on: WAEC Mathematics - 1993

Convert 89\(_{10}\) to a number in base two.

A
1101001
B
1011001
C
1001101
D
101101
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Correct Option: B

\(89_{10}\)

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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