Can some please explain how to do this ?
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Answer:
[tex]4^{2} = 4 x 4 =16[/tex]
Step-by-step explanation:
First of all we need to understand what a perfect square is:
It is an integer which is the square of another integer integer; in other words, it is the product of some integer with itself.
For example: 9, this is a square number since itt equals [tex]3^{2}[/tex] and 3x3 = 9