@mathstudent55 @amistre64 @ganeshie8 @thomaster
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

Question

@mathstudent55 @amistre64 @ganeshie8 @thomaster 
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

mathstudent55 · Answer

Any in which the product of two whole numbers is also a whole number.

mathstudent55 · Answer

What is the set of whole numbers?

anonymous · Answer

C?

perl · Answer

correct, what else

anonymous · Answer

D?

anonymous · Answer

not to be an retrice but not of the show anything
they are examples, not proofs
wonder who wrote this nonsense

anonymous · Answer

THANKS everyone ikr @satellite73