📅 MIT Science Bowl 2022🎓 HS🔄 Round 2#️⃣ Question 7🌟 BONUS✍️ Short Answer
By name or number, identify all of the following three sets that are countably infinite: 1) The set of all rationals 2) The set of all points on a 2D plane 3) The set of all even integers
✔️Answer:1 and 3
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