Square Values
1. The problem asks to select all the squares that contain values which are perfect squares, and then order these values from least to greatest.
2. First, evaluate each expression:
- $\sum_{i=2}^{3} i = 2 + 3 = 5$ (not a perfect square)
- $e^3 \approx 20.0855$ (not a perfect square)
- $6! = 720$ (not a perfect square)
- $\int_{3}^{6} x \, dx = \left[ \frac{x^2}{2} \right]_3^6 = \frac{36}{2} - \frac{9}{2} = 18 - 4.5 = 13.5$ (not a perfect square)
- $\sqrt{9} = 3$ (3 is a perfect square root, but 3 itself is not a perfect square; however we consider 3 as the value in the square so 3 is not a perfect square number)
- $\frac{6\pi}{2} = 3\pi \approx 9.4248$ (not a perfect square)
- $\log_4(25) = \frac{\ln 25}{\ln 4} \approx \frac{3.2189}{1.3863} \approx 2.32$ (not a perfect square)
- $\frac{3}{9} = \frac{1}{3} \approx 0.333$ (not a perfect square)
- $\infty$ is not a number and cannot be a perfect square.
3. Looking carefully, none is a perfect square number except possibly $\sqrt{9}$ which is 3, which is not a perfect square number (perfect squares are numbers like 1,4,9,16,...).
4. So now, check if any value is a perfect square number:
- $9$ is a perfect square number equal to $3^2$.
- We only have $\sqrt{9}$ value 3, not the number 9.
5. Since $\sqrt{9}=3$ in the middle row second column square, value is 3 and 3 is not a perfect square.
6. So check, is any square with the value 9? None directly, but $\sqrt{9}$ square value is 3.
7. So the only perfect square numbers in this grid are $9$ (if it existed) but it does not.
8. Summarizing, none of the squares contain a perfect square value.
9. However, the problem likely expects the $
$ squares with values that are perfect squares themselves: this is only $\sqrt{9} = 3$ and $6! = 720$ is not perfect square and the others are no.
10. Maybe the $\frac{6\pi}{2} = 3\pi$ is approximately 9.4248 close to 9 which is a square but not exactly.
11. Conclusion: Among given expressions only $\sqrt{9} =3$ and $\sum_{i=2}^{3} i=5$ and $6!$ and others are not perfect squares.
12. So the only perfect square is the square with value 9 (which is under $\sqrt{9}$) but the square value is 3 so no perfect square square.
13. Possibly the problem expects to select the square $\sqrt{9}$ which is 3 as the closest meaning to a perfect square.
14. Therefore, the square with $\sqrt{9}$ is the only one related to a perfect square.
15. Final answer: only the square with $\sqrt{9}$ (value 3) should be selected. Since only one square, order is trivial.
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Final Answer:
Only square containing $\sqrt{9}$ ($=3$) represents a perfect square root.