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?

Select one:

a.
In step 1, Andrew used the commutative property.

b.
In step 2, Andrew used the distributive property.

c.
In step 3, Andrew used the associative property.

d.
In step 4, Andrew's answer is incorrect.

Answer 1

what do you think it is if we step it out I could help

Answer 2

here I'll go ahead a help a little mark out c.

Answer 3

so now you have d. ,b. ,and a.
which one do you think it is?

Answer 4

so he switched the 2.2 and the -5.7, what property is that?