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What is the decimal equivalent of the hexadecimal number 2F ?

  • A.31
  • B.47
  • C.62
  • D.79

Answer: B

Correct answer: 47

In hexadecimal the digit F stands for 15, so \(2F_{16} = 2 \times 16 + 15 = 47\). Hexadecimal is convenient because each digit maps onto exactly four binary bits.

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