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OpenStudy (anonymous):
FREE MEDAL AND FAN!!!!!!!!!!!!!!! Is the set of multiples of 4 closed under addition? Explain why or provide a counterexample if not. A. Yes, because the sum of any two multiples of 4 is also a multiple of 4. B. Yes, because the sum of any two multiples of 4 is also a multiple of 8. C. No, and a counterexample is ���������4 + (���������8) = ���������12. D. No, and a counterexample is 26 + 16 = 42.
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OpenStudy (anonymous):
@texaschic101 @chosenmatt
OpenStudy (anonymous):
hmmmmmmm.....
OpenStudy (chosenmatt):
yes.any multiple of is also a multiple of 4 which is A
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