JAMB Mathematics 2017 Objective — Question 7
Question 7 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2017 Objective paper, with the correct answer and a full explanation.
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Convert 553 (base 7) to a number in base 10.
- A. A. 283
- B. B. 271
- C. C. 298Correct
- D. D. 292
Explanation
553(base7) = 5x7²+5x7¹+3x7⁰ = 245+35+3 = 283(base10).
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