(2/5)^-3×(2/5)^2×((5/2)^2)^-2
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Answer:
(2/5)^-3 * (2/5)² * ((2/5)^-2)^-2
= (2/5)^-3 * (2/5)² * (2/5)^4
= (2/5)^(-3+2+4)
= 8/125
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