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OpenStudy (anonymous):
For which operation is the set {-1,0,1} closed? Choose all that apply. A) Addition B) Division C)Multiplication D)Subtraction
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OpenStudy (ninjaslice):
is that the full question?
OpenStudy (anonymous):
yes it is
OpenStudy (dayakar):
i think it is A and C
OpenStudy (anonymous):
Thank you! I just need to check my answers for my study guide I am making.
OpenStudy (dayakar):
ok, it's alright
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