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Pretest: The Real Number System
7
Select the correct answer,
A mistake was made in the steps shown to simplify the expression. Which step includes the ml
1 + 3(4 – 1) – 7 + 23
Step 1: =
1 + 3(3) – 7 + 23
Step 2: i + 3(3) - 7 +8
Step 3: =
(3) – 7 + 8
Step 4: =
46 - 7 + 8
31
Step 5: =
+ 8
Step 6:
47
2
O A Step 1
B. Step 3
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