simplify the following, giving your answer with a positive exponent
(3y^4)^2 * (3y^2)^3
(3y^4)^2 * (3y^2)^3
= (3^2 * (y^4)^2) * (3^3 * (y^2)^3)
= (9 * y^8) * (27 * y^6)
= 243 * y^8 * y^6
= 243 * y^(8+6)
Simplifying further:
= 243 * y^14