what is the simplified form of the expression?

Question

(3c^2d^4)^3(2c^5d^8)^3

Answer 1

(3c^2d^4)^3(2c^5d^8)^3 = 27c^6d^12 * 8c^15d^24

= 216c^21d^36

However, with the common exponents, the terms could be combined, but still get the same answer:

(3c^2d^4)^3(2c^5d^8)^3 = (3c^2d^4 * 2c^5d^8)^3