Exam-style question
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Which set is represented by the symbol ℚ?.
- A.The set of rational numbers
- B.The set of integers only
- C.The set of numbers that cannot be written as fractions
- D.The set of positive whole numbers only
Model answer
What a good answer should say
- The set of rational numbers
Explanation
Why this works
The symbol ℚ denotes the set of rational numbers.
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