Question

4200 , 1027 , 243 , 441 which of the following numbers are perfect square​

Answer 1

Answer:

A perfect square can always be expressed as a product of equal factors. Thus, 441 is a perfect square.

Step-by-step explanation:

21 ×21 = 441

The square root of 441 is 21.

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Answer 2

Answer:

The square root of 441 is +21 or -21. This shows that 441 is a perfect square.

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