SOLUTION: How many integers in the set of all integers from 1 to 100, inclusive, are not the square of an integer?

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Question 341617: How many integers in the set of all integers from 1 to 100, inclusive, are not the square of an integer?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let's work backwards.
Find the ones that are.
+1%5E2=1
2%5E2=4
3%5E2=9
4%5E2=16
5%5E2=25
6%5E2=36
7%5E2=49
8%5E2=64
9%5E2=81
10%5E2=100
That makes 10.
From 1 to 100, there are 100 numbers.
So 100-10=90 of them are not squares of an integer.