Question

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Which sets of numbers are closed under addition?



Choose all answers that are correct.



A.


whole numbers


B.


natural numbers


C.


negative integers


D.


integers

Answer 1

♥ Which sets of numbers are closed under addition?



♥ Choose all answers that are correct.



A.


whole numbers


B.


natural numbers


C.


negative integers


D.


integers  
♥are all closed under addition. 
♥Therefore ALL are right. 

Answer 2

It is all of them. A. Whole Numbers, B. Natural Numbers, C. Negative Numbers, D. Integers. This is because when ever you add any of these numbers to them selves, the answer will always be from that set of numbers. Like negative + negative = negative, like that.

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