Simplified is

(3x)0 power exponent
simplified as 3x or 0

(also how do I express a power after a # when asking a question)

2 answers

(3x)^0=1
Simplify:
3x^2 y^6 Z^2
------------ (dividided by)
4x^4 y^3 Z^4

my answer ?? 3y^2
--------
4x^2 Z^2