The reduction ratio was 0.03 to 0.27 and the ratio was calculated
0.03/0.27=1/9
Simplification (16 / 81) ^ - 3 / 4
(16/81)^-3/4
=1/(16/81)^(3/4)
=1/(2^12/3^12)^(1/4)
=1/(2/3)^3
=27/8;
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