Question

What number must be added to 278840to make a perfect square

Answer 1

Answer:

1001 so that the sum will be 279841 which is the square of 529

Answer 2

Answer:

1001 must be added to 278840 to make a perfect square

Step-by-step explanation:

√279841 =529

Then, subtract 279841 - 278840= 1001.

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