Simplify the following expression and write the final answer with each radical in its simplest form. Assume x,y≥0.
a. (i) Simplify 48x3y2.
b. (ii) Simplify 354x5y.
c. (iii) Hence, simplify the product 48x3y2×354x5y and express the result as a single coefficient followed by the simplest possible radical.