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A four-digit perfect square number is created by placing two positive two-digit perfect square numbers next to each other. What is the four-digit square number?

Respuesta :

HermanSlader

Answer:

1681

Step-by-step explanation:

In a four digit perfect square, the first two digits and last two digits taken seperately are also perfect squares.

Therefore, the answer is 1681 because 1681=41*41 and

16=4*4 and 81=9*9

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