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(2/3)^(-2)xx(2/3)^(-5)=(2/3)^(10)...

`(2/3)^(-2)xx(2/3)^(-5)=(2/3)^(10)`

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Arrange in descending order: 2^(2+3),(2^(2))^(3),2xx2^(2),(3^(5))/(3^(2)),3^(2)xx3^(@),2^(3)xx5^(2)