Question

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ᴡʜᴀᴛ is ᴘᴇʀғᴇᴄᴛ sǫᴜᴀʀᴇ and non ᴘᴇʀғᴇᴄᴛ sǫᴜᴀʀᴇ​?

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Answer 1

Explanation:

Please note that all the perfect square numbers end with 0, 1, 4, 5, 6 or 9 but all the numbers with end with 0, 1, 4, 5, 6 or 9 are not perfect square numbers. Example, 11, 21, 51, 79, 76 etc. are the numbers which are not perfect square numbers. ... Example 62411 ends with 1 but it is not a perfect square number.

Answer 2

In this case, 4 is termed as a perfect square. A square of a number is denoted as n × n. Similarly, the exponential notation of the square of a number is n 2, usually pronounced as “n” squared. Square numbers are usually non-negative.