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)
Select one:
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

notice how in step 1 he switched -6.7 and 4.3, do you remember what this property is called?

Answer 2

distributive?

Answer 3

oh wait no communative

Answer 4

it would be commutative

distributing is more like A(B+C) = A*B + A*C

Answer 5

commutative*

Answer 6

so a is the only correct sol'n

Answer 7

thank you sm