Which property of whole numbers can be used to write 511 + 0 = 511?
Multiplication by zero
Identity element of addition
Commutative property of multiplication
Commutative property of addition
As per Additive Identity of whole numbers, a + 0 = a = 0 + a
Which property of whole numbers is used to write 131 + 19 = 19 + 131
Which property of whole numbers is used to write 89 x 33 = 33 x 89