2^x=1/32
2^x=(1/3)^5
2^x=2^(-5)
x=5
(1/3)^y=81
(1/3)^y=3^4
(1/3)^y=(1/3)^(-4)
y=-4
x^y
=5^(-4)
=1/(5^4)
=1/625
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