Question

Decide whether the given set of numbers is a commutative group under the given operation. Whole numbers; addition

Answer 1

Do you mean negative, zero or positive whole numbers?

Answer 2

option A is No and B Yes

Answer 3

if Whole Numbers={0,1,2,3, ... }
the answer is no since the inverse of say 5 is -5 for addition and -5 is not in the set.

Answer 4

Thanks a lot for your help

Answer 5

yw