4
There are 10 square numbers
There are 9.
They are from 11 squared to 22 squared making a total of 12 square numbers between 100 and 500
its simply 79
100
There are 8 square numbers between 0 and 100. 4, 9, 16, 25, 36, 49, 64, 81
64 and 81
There are nine square numbers including 1 below 100 (1x1...9x9). So, there are 99 - 9 'not square numbers' below 100 which is 90
There are 99 numbers between 0 and 100.
36, 49, 64, 81, 100
25 numbers are between 1-100.
100