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Multiple ChoiceIntermediate 30s

Number Precision

Choose the best answer for: floating point issues
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  1. 1JavaScript represents decimals as exact binary fractions
  2. 20.1 + 0.2 equals 0.3 exactly under IEEE 754 arithmetic
  3. 30.1 + 0.2 !== 0.3 due to binary floating point
  4. 4All JavaScript numbers are stored as exact integer values

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