Answer:
81/16
Explanation:
(2/3)⁻⁴
Solve for exponent and evaluate.
1/(2/3)⁴
Distribute the power 4 to the whole fraction.
1/(2⁴/3⁴)
1/(16/81)
(16/81)⁻¹
Reciprocal.
= 81/16
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