I need help with this picture which answer is it ?

Given expression is
[tex](\frac{10^8}{17^5})^5[/tex]By the law of exponents, we know that
[tex](x^n)^m=x^{nm}[/tex]Using this rule,
[tex](\frac{10^8}{17^5})^5=\frac{10^{40}}{17^{25}}[/tex]Hence, the correct answer is (A)