(81/16)^-3/4*(25/9)^-3/2
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Answer:
8/125
Step-by-step explanation:
(81/16)^-3/4×(25/9)^-3/2
=( 16/81 )^3/4 × ( 9/25 )^3/2
=( 2^4/3^4 )^3/4 × ( 3^2/5^2 )^3/2
=( 2/3 )^3 × ( 3/5 )^3
=8/27 × 27/125
=8/125
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