a, b, and c follow the closure property under addition, a + b = c. If a and b are natural numbers, then which of the following options represent c?

Q. If a and b are integers such that,
a + b = b + a. This property of addition under integers corresponds to

Q.

If a + b = c and a $\times$ b = c , where a and b are whole numbers, then c is also a whole number. This follows which of the properties of whole numbers?

Q.

Which of the following properties holds for rational numbers and integers, but not for whole numbers?​

A. Closure for addition​
B. Closure for subtraction​
C. Closure for multiplication ​
D. Closure for division​

Q. Which property is represented by
$a+b=c$ (a, b and c are all whole numbers) with respect to addition?

Q. Which property is represented by
$a+b=c$ (a, b and c are all whole numbers) with respect to addition?