This math topic involves simplifying radical expressions where radicands (the numbers under the radical sign) are raised to a power and then divided by an integer. Specifically, it focuses on problems that deal with radicals having mixed indices. The expressions include radicals divided by integers, further requiring simplification to express answers in fractional form. This is part of a broader theme focusing on the simplification of radicals. Each problem presents a radical expression and multiple-choice answers, aiming to hone skills in simplifying and manipulating complex radical forms.