Step-by-step explanation:
(5/8)^-7×(8/5)^-4
=>(8/5)^7×(8/5)^-4
=>(8/5)^7+(-4)
=>(8/5)^3
=>512/27
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Step-by-step explanation:
(5/8)^-7×(8/5)^-4
=>(8/5)^7×(8/5)^-4
=>(8/5)^7+(-4)
=>(8/5)^3
=>512/27