Which equations show that the set of whole numbers is closed under multiplication?
choose all...
Mathematics, 24.08.2019 22:30 jnannsbwnw4216
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
Answers: 1
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