Are integers closed under addition?
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Step-by-step explanation:
a) The set of integers is closed under the operation of addition because the sum of any two integers is always another integer and is therefore in the set of integers. ... For example, 4 and 9 are both integers, but 4 ÷ 9 = 4/9. 4/9 is not an integer, so it is not in the set of integers!
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Answer:
Yes they are closed under addition
Step-by-step explanation:
-2+3 =1
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