Question

1.Which is an example of the associative property?

A.
–(18 + 3) = –18 + (–3)

B.
–17 + 0 = –17

C.
(–8 + 10) + 4. = –8 + (10 + 4)

D.
–5 + 7 = 7 + (–5)

2.What is the value of the expression?

–15.6 + (–3.4 + 8)

A.
–27

B.
–26

C.
–11

D.
–10



D.
17


3.What value of k makes the equation true?

12 + (–17) = –17 + k

Answer 1

1) C
2) -15.6+(-3.4+8) = C
-15.6 + 4.6 = -11
3)12 + (-17) = -17 + k
k= -5