Question

ANSWER THIS QUESTION​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

x/y=(2/5)^-3×(15/8)^-3

x/y=(5/2)^3×(8/15)^3

x/y=(5×8/2×15)^3

x/y=(4/3)^3

x/y=64/27

∴x/y=64/27

by this (x/y)^-1=(64/27)^-1

(x/y)^-1=(27/64)

∴(x/y)^-1=(27/64)