A number "squared" is just a number multiplied by itself. So just work up:
1*1=1
2*2=4
3*3=9
4*4=16
5*5=25
6*6=36
7*7=49
8*8=64
9*9=81
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82 is not the square of an integer. The closest square number of an integer is 81, which is equal to 9 squared.
81
yes it isThe square root of 81 is 9.
64 and 81 ; 64 is 8 squared and 81 is 9 squared
-9 or +9.
When a number is squared, it means that it is that number is multiplied by itself. So in this case it would be 9x9 which is equal to 81.
lokiya said: 9 squared is equal to 81
82 is not the square of an integer. The closest square number of an integer is 81, which is equal to 9 squared.
81
Yes, 9 squared = 81.
6,561
yes it isThe square root of 81 is 9.
No but 81 is a square number
.12
64 and 81 ; 64 is 8 squared and 81 is 9 squared
-9 or +9.
No, 90 is not a square number. 81 is 9 squared and 100 is 10 squared.