Which is a perfect square

A perfect Square is a number that can be expressed as the production of two equal integers

Examples of perfect squares:

9, 9 is a perfect square because it can be expressed as a 3 * 3 (the production of two equals integers).

16, 16 is a perfect square because it can be expressed as 4 *4 (The production of two equals integers)

25, 25 is a perfect square because it can be expressed as 5 * 5 ( The product of two equal integers).

Non examples of perfect squares:

8, 8 is not a perfect square because you cannot express it as the product of two equals integers.

5, 5 is not a perfect square because you cannot express it as the product of two equals integers

7, 7 is not a perfect square because you cannot express it as the product of two equals integers

answer; (quadrupled)

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;