What property are these? Associative property of addition, Commutative property of addition, identity property of multiplication, Associative property of multiplication, Commutative property of multiplication. 1. (3 x 7)(8) = 3(7 x 8) 2. (7k)5 = 5(7k) 3.8(x + 15) = (8)(x) + (8)(15)

Step-by-step explanation:

1) (3 * 7)(8) =3 (7 * 8)

Associative property of multiplication

It states that product of three or more numbers remains same regardless the way they are grouped

2) (7k)5 = 5(7k)

Commutative property of multiplication

3) 8(x +15) = (8)(x) + (8)(15)

distributive property

168

step-by-step explanation:

i am pretty sure that the answer is 168