Question

(2/3)square ÷[(2/3)square]0

Answer 1

(2/3)^2 / [(2/3)^2]^0
(4/9) /(4/9)^0
(4/9)/(4/9)=1

Answer 2

(2/3)^2/[(2/3)^2]^0

=4/9/1
=4/9