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Question
Solve: `((2/5)^(-2))^3`.
Sum
Solution
`((2/5)^(-2))^3`.
`= (2/5)^(- 2) xx (2/5)^(- 2) xx (2/5)^(- 2)`
`= (2/5)^((- 2) + (- 2) + (- 2))`
`= (2/5)^(-6)`.
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