Va rog repedeeee!!!

[tex] {121}^{45} = ( {11}^2 ) {}^{45} = \\ = {11}^{2 \times 45} = \\ = {11}^{90} [/tex]
[tex] {11}^{90} = {11}^{90} = > \\ = > {121}^{45} = {11}^{90} [/tex]