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

@zepdrix @Elsa213 are you able to help?

Answer 2

@campbell_st

Answer 3

i could help :)

Answer 4

Great i accept all help if you truly known how to do it (:

Answer 5

I do. Well, he switched the 2.2 and the -5.7, do you know what property that is?

Answer 6

I believe distributive?

Answer 7

No, commutative

Answer 8

so the answer is A

Answer 9

yup!