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? (1 point)
group of answer choices
in step 2, andrew used the distributive property.
in step 4, andrew's answer is incorrect.
in step 1, andrew used the commutative property.
in step 3, andrew used the associative property.