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.

Question

Leonard Herrera

Mathematics

2 January, 08:51

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.

+1

Answers (2)

Know the Answer?

Twiggy · Answer 1

In step 4, Andrew's answer is incorrect

Mila Cowan · Answer 2

In step 1, Andrew used the commutative property.

The commutative property means to change the order. He changes the order but did not change the parenthesis (associative property).