MathematicsNumber basesWAEC
Multiply 23₅ by 4₅ and give the answer in base five.
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Answer: A. 202₅
23₅ = 13; 13 × 4 = 52 = 2 × 25 + 0 × 5 + 2 = 202₅.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.