we are given
square root of 9 exponent of 2 squared
we can write it as
[tex] \sqrt{9^{2^2}} [/tex]
we can write it as
[tex] =\sqrt{9^{2*2}} [/tex]
[tex] =\sqrt{9^{4}} [/tex]
now, we can take sqrt
and we get
[tex] =9^{2} [/tex]
[tex] =9*9 [/tex]
[tex] =81 [/tex]...........Answer
