# Quick Answer: What is a perfect square?

## What is the definition of perfect square?

A perfect square is a number, from a given number system, that can be expressed as the square of a number from the same number system. Examples of Numbers that are Perfect Squares . 25 is a perfect square . 25 is a natural number, and since there is another natural number 5, such that 52 = 25, 25 is a perfect square .

## What is perfect square in simple words?

A number made by squaring a whole number. 16 is a perfect square because 42 = 16. 25 is also a perfect square because 52 = 25. etc See: Square (Numbers)

## How do you know what a perfect square is?

A perfect square is a number that can be expressed as the product of two equal integers. You can tell if a number by finding its square root and seeing if that square root is a whole integer.

## What number has a perfect square?

The perfect squares are the squares of the whole numbers: 1, 4, 9 , 16, 25 , 36, 49, 64, 81, 100 …

## IS 400 a perfect square?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 400 is 20. Therefore, the square root of 400 is an integer, and as a consequence 400 is a perfect square .

## Is 75 a perfect cube?

The value of cube root of one is 75 . The nearest previous perfect cube is 64 and the nearest next perfect cube is 125 . Cube root of 75 can be represented as 3√ 75 .

## Is 18 a perfect square?

18 is not a perfect square .

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## Is 30 a perfect square?

A: No, the number 30 is not a perfect square .

## Is 17 a perfect square?

A: No, the number 17 is not a perfect square .

## Is 72 a perfect square?

72 is not a perfect square .

## Is 20 a perfect square?

A: No, the number 20 is not a perfect square .

## Is a perfect square?

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. Example 1.

Integer Perfect square
7 x 7 49
8 x 8 64
9 x 9 81
10 x 10 100

## IS 300 a perfect square?

A: No, the number 300 is not a perfect square .

## Is 90 a perfect square?

Answer. No because 90 cannot be written in the form of product of two equal numbers so it is not a perfect square .

## Is 6 a perfect square?

6 is not a perfect square .