Mathematics
Mathematics, 25.09.2020 16:01, squawk1738

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: 2

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Andrew is showing his work in simplifying (−5.7 + 2.2) − 1.1. Step 1: (2.2 − 5.7) − 1.1

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