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JAMB Mathematics 2023 Objective — Question 9

Question 9 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2023 Objective paper, with the correct answer and a full explanation.

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If log6.5 = 0.8129, evaluate 2log65 + log650.

  • A. 6.4387Correct
  • B. 4.6258
  • C. 4.4387
  • D. 0.9218

Explanation

log65=log6.5+1=1.8129; log650=log6.5+2=2.8129. 2(1.8129)+2.8129=6.4387.

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