Nerdy algebra question read this if you are any good with simplyfing radical expressions!?

Question

Okie doke. I'm working on my geometry prep packet and I'm worried about this radical expression: [radical sign]36/z cubed

i tried rationalizing the denominator (couldnt remember very well how) and got six[radical]z oer z squared. am i right, or way off?

Answer 1

first day of school tommorow I just read 2 books filled out 3 index cards and finished a big math packet right on time

Answer 2

6√z over z^2 is OK