Respuesta :

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