Math  /  Numbers & Operations

QuestionA classmate ordered these numbers from greatest to least. Is she correct? Construct an argument to justify your answer. 3.97,3.79,3.9,3.73.97,3.79,-3.9,-3.7
Choose the correct answer below. A. No. -3.9 is to the left of -3.7 on a number line. She should have switched the last two numbers. B. No. 3.97 is to the left of 3.79 on a number line. She should have switched the first two numbers. C. Yes. The numbers are ordered correctly because they go from left to right on a number line. D. Yes. The numbers are ordered correctly because they go from right to left on a number line.

Studdy Solution
Construct the argument based on the comparison.
The numbers are ordered correctly from greatest to least because:
1. Among the positive numbers, 3.973.97 is greater than 3.793.79.
2. Among the negative numbers, 3.7-3.7 is greater than 3.9-3.9.
3. The sequence 3.97,3.79,3.9,3.73.97, 3.79, -3.9, -3.7 maintains this order.

Thus, the correct answer is:
C. Yes. The numbers are ordered correctly because they go from left to right on a number line.\text{C. Yes. The numbers are ordered correctly because they go from left to right on a number line.}

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