Question

The steps a student used to calculate 100 × (–3) × (–1.01) ÷ 3 are shown. What property did the student use in Step 2 and why?

Step 1. 100 × (–3) × (–1.01) ÷ 3 = 100 × (–3) × (–1.01) × 13

Step 2. = 100 × (–1.01) × (–3) × 13

Step 3. = (100 × (–1.01)) × (−3×13)

Step 4. = –101 × (–1)

Step 5. = 101

Answer 1

the answer is A

Explanation:

The correct answer is A. In step two, the order of the numbers is changed. This will allow you to easily multiply one hundred by negative one and one hundredth and negative three by one-third.

did it in edge

Answer 2

Commutative Property

Switching (-1.01) with (-3) rearranges the problem so it's easier to calculate mentally.

Explanation: