alleryThe integers are not closed under which operation?
AAddition
BDivision
CSubtraction
DMultiplication
Answer & Solution
Correct answer: B. Division
1. Closed means the result stays an integer.
2. 1 divided by 2 is not an integer, so division fails.
3. Addition, subtraction and multiplication always give integers.
_Source: Wikipedia, Integer, Algebraic properties_
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