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OpenStudy (winsteria):
Someone please help me if you do i'll give you a medal and fan For which operations is the set {–1, 1} closed? Choose all answers that are correct. A. addition B. subtraction C. multiplication D. division
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OpenStudy (winsteria):
It's more than one answer
OpenStudy (destinycholie):
I think its Addition and Multiplication
OpenStudy (winsteria):
Okay thank you so much
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