Question

how many non perfect square numbers are there between 9 square and 10 square

Answer 1

Answer:

There are total 18 natural numbers.

Step-by-step explanation:

Given : Numbers are there between 9 square and 10 square.

To find : How many non-perfect square numbers are there?

Solution :

We know that,

$9^2=9\times9=81$

$10^2=10\times10=100$

Total natural number between square of 9 and square of 10 are starting from 82 and up to 99.

As 81 and 100 both will not be included in these natural numbers.

The natural numbers are -

82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 and 99

Therefore, There are total 18 natural numbers.

Answer 2

Answer:

we know that

9^2= 9×9 =81

10^2 = 10× 10 = 100

Step-by-step explanation:

Total natural number between square of 9^2 and 10^2 are starting from 82 and up to 99.

As 81 and 100 both will not be included in these natural numbers.

The natural numbers are:- 82 ,83 ,84 ,85,86,87,88,89,90,91,92 ,93,9495,96,97,98 and 99 are known as Non perfect squares

* There are 18 non perfect squares numbers between 9^2 and 10^2