Question

Morris is showing his work in simplifying (−6.7 + 4.3) − 1.2. Step 1: (4.3 − 6.7) − 1.2 Step 2: 4.3 − (6.7 + 1.2) Step 3: 4.3 − (7.9) Step 4: −3.6 Which statement is true? (1 point)
A. In step 1, Morris used the commutative property.
b. In step 2, Morris used the distributive property.
C. In step 3, Morris used the associative property.
d. In step 4, Morris's answer is incorrect.

Answer 1

Hmmm maybe try a. 
hope its right

Answer 2

C. In step 3, Morris used the associative property.