Andrew is showing his work in simplifying (−5.7 + 2.2) − 1.1.
step 1: (2.2 − 5.7) − 1....
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Mathematics, 07.10.2019 18:30, evelynontiveros2016
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](/tpl/images/cats/otvet.png)
Answers: 1
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