What is the binary representation of decimal number 21?
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✅ Correct answer: C. 10101
a: 10110 | b: 10100 | c: 10101 | d: 15
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Tap an option to check your answer.
✅ Correct answer: C. 10101
a: 10110 | b: 10100 | c: 10101 | d: 15
10 random questions, instant feedback, earn XP.