Answer These two questions asap please. i will mark as brainliest . thank you
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8. I. rational numbers are closed under addition.
9. IV. rational numbers are closed under division.
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Q9) The answer is IV
The rational numbers are "closed" under addition, subtraction, and multiplication. Under division, we run into the problem of division by 0, which makes the statement that "the rational numbers are closed under division" false.
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