Need Help With Indices Math Question

Question

Hi I need help with this question https://ibb.co/Jj7KrcK

This question is about indices, thank you very much!

Answer 1

(7^1/5)¹⁰ x 7⁴

7² x 7⁴ power of powers rule

7^{6 porduct of powers rule}

(3⁸ x 3) / 9²

3⁹ / 9²

3⁹ / (3²)²

3⁹ / 3⁴

3⁵