(-15) × [(-7) + ___] = (-15) × (-7) + -15 × (-1)
-1
1
0
None of these
45/(-3 * 5) = _________.
-75
75
-3
3
(a × b) × c = a × (b × c). It is ____________ property.
Multiplicative
Distributive
Associative property of multiplication
(-21) - (-21)
-42
+42
441
(-7) χ(-7) = _______________
-49
14
+49
8 × (4 + 5) = ________.
160
72
1280
37
3 + 5 = 5 + 3 = 8, it is _____________ property.
Commutative
Closure
Associative
a - (-b) =_____________ if the value of a = 21, b = 18
21
39
3/4 * -6/5 = _______
-18/15
18/5
-18/20
-18/25
