Question

(2/3r²s³z^6)

Answer 1

That is as symbol as you can get. Though, you also could write is as:

(2/3)r^2 s^3 z^6

Answer 2

yes same thing to yurs

Answer 3

Unless everything is being divide by 2. It would be

2
------------
3r^2 s^3 z^6

Answer 4

i think it might be divide by 2

Answer 5

is that actully it