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BECE Mathematics 2022 Objective — Question 21

Question 21 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

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Express 9 in binary number.

  • A. 1000_two
  • B. 1001_twoCorrect
  • C. 1011_two
  • D. 111_two
  • E. 11_two

Explanation

9 = 8 + 1 = 1001_two.

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