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Floating point number

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What is the smallest representable floating point number in fractional form of IEEE 754 single precision format?

  1.   2(-149)
    Explanation:
    0.00…01×2(-126)
    = 2(-23)× 2(-126)
    = 2(-149)

    image:g59.PNG
  2.  2(-147)
  3. None
  4.   2(-148)
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