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Asked by Andrea

is the set {5,6,8} closed under subtraction of whole numbers?Why or why not.
6 years ago

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Answered by oobleck
6-5 = 1
1 is not in the set {5,6,8}
so, the set is not closed under subtraction.
6 years ago
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is the set {5,6,8} closed under subtraction of whole numbers?Why or why not.

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