Question

Andrew is showing his work in simplifying (−5.7 + 2.2) − 1.1.

Step 1: (2.2 − 5.7) − 1.1
Step 2: 2.2 − (5.7 + 1.1)
Step 3: 2.2 − (6.8)
Step 4: −4.6

Which statement is true?

In step 1, Andrew used the commutative property.
In step 2, Andrew used the distributive property.
In step 3, Andrew used the associative property.
In step 4, Andrew's answer is incorrect.

Answer 1

The correct answer would be A

Hope this helped! :)

Answer 2

In step 1, Andrew used the commutative property.
The commutative property means to change the order. He changes the order but did not change the parenthesis (associative property).