Question

which is smallest number to be added to make 280 a perfect square ​

Answer 1

Step-by-step explanation:

9

If one considers 0 as a perfect square, one should add -280 to 280 to get 0. The perfect square just bigger than 280 is289 . Therefore, the required minimum number is 9.

Answer 2

Answer:

9 is the answer

Step-by-step explanation:

hope this helps you