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Direction: Answer the questions based on the information given below:
472 209 593 196 765
If the second and third digit of each number is interchanged then how many new numbers will be perfect squares?None
None
One
Two
Three
Four
- Let's follow the given procedure to interchange the second and third digits of each number:
- 472 becomes 427
- 209 becomes 290
- 593 becomes 539
- 196 becomes 169
- 765 becomes 756
- Now, determine which of these numbers are perfect squares:
- 427 is not a perfect square.
- 290 is not a perfect square.
- 539 is not a perfect square.
- 169 is a perfect square (13 × 13).
- 756 is not a perfect square.
- One number, 169, is a perfect square.
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