# Quick Answer: IS 400 A Perfect Square?

## Is 400 a square number?

A: Yes, the number 400 is a perfect square..

## IS 400 a perfect cube?

Since 2 & 5 do not occur in triplets. ∴ 400 is not a perfect cube.

## Why is 20 not a square number?

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 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.

## IS 216 a perfect cube?

Answer. Answer: 216 is perfect Cube.

## IS 200 a perfect square?

A perfect square is the number which is exactly equal to multiplication of 2 equal integers twice. … As 200 cannot exactly meet the above criteria, it is neither a perfect cube nor a perfect square. 200=14.1421*14.1421. As 14.1421 is not a integer 200 is not a perfect square.

## Is 64 a perfect square?

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

## IS 196 a perfect square?

196 is a perfect square; therefore, we can get an exact value for its square root. Its precise value would equal a number times itself.

## Is 1 a perfect square?

How to Tell If a Number Is a Perfect Square. … First of all, if you create a square by multiplying two equal integers by each other, then the product is a perfect square. So, 1 * 1 is a perfect square.

## Is 1000 a perfect cube?

∴ 1000 is a perfect cube. Grouping the prime factors into triples, we do not get any triples.

## IS 392 a perfect cube?

If not, find the smallest natural number by which 392 must be multiplied so that the product is a perfect cube. The prime factor 7 does not appear in a group of three. Therefore, 392 is not a perfect cube. To make its a cube, we need one more 7.

## Is 75 a perfect square?

Is 75 a perfect square number? 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 75 is about 8.660. Thus, the square root of 75 is not an integer, and therefore 75 is not a square number.

## Is 90 a perfect square?

No because 90 cannot be written in the form of product of two equal numbers so it is not a perfect square. For e.g. 81 can be written in the form 9×9 hence it is a perfect square.