Mathematics
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
Answers: 1

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Do you know the correct answer?
Andrew is showing his work in simplifying (−5.7 + 2.2) − 1.1.

step 1: (2.2 − 5.7) − 1....

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