Question

please I will give medal
Which set is closed under multiplication?








A.



{1, 2, 3}







B.



{0, 1, 2}







C.



{1, 2}







D.



None of the sets are closed under multiplication

Answer 1

Hint : \(2*2 = 4\)

Answer 2

so D

Answer 3

Yep!

Answer 4

are you sure because I cant get this wrong

Answer 5

@zepdrix

Answer 6

@SithsAndGiggles

Answer 7

One counterexample is all you need