1. Name the property of multiplication of Integers that is used to justify each of the following
a) (-3) (-4)= (-4) (-3)
b) (-5) (2(-7)] = [(-5) (2) (-7)
c) (-5) (-7) is an integer
d) (-8)x1=-8
e) If (-3) m = (-3)7, then m= 7
Inor darrihn the set of national numbers.​

Given a = {(1, , 5)(6,4)}, b = {(2,0)(4, ,5)(0, 0)) and c = {(1, 1)(0, 2)(0, 3)(0, ,5)}, answer the following multiple choice question: from the list of sets a, b, and c, state the domain of set b. domain of set b: {0, 6,5} domain of set b: {2, 4,-4, 0} set b does not have a domain