what is the simplified form of the expression?

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

2 answers

See:
http://www.jiskha.com/display.cgi?id=1289863704
(3c^2d^4)^3 (2c^5d^8)^3 =

(27c^6d^12) (8c^15d^24=

216c^21d^36.