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OpenStudy (logan13):
Which equations show that the set of whole numbers is closed under multiplication? Choose all answers that are correct. A. –1 • –1 = 1 B. 0 • –1 = 0 C. 0 • 2 = 0 D. 2 • 1 = 2
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OpenStudy (logan13):
@Hannah_Waller
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