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Evaluate 81^(-3/4) * 343^(2/3). A) 9 B) 27 C) 81 D) 243

Evaluate 81^(-3/4) * 343^(2/3). A) 9 B) 27 C) 81 D) 243
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Evaluate 81^(-3/4) * 343^(2/3). A) 9 B) 27 C) 81 D) 243

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User Michael Moulsdale
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1 Answer

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Answer:


( {81}^{ - (3)/(4) })( {343}^{ (2)/(3) } ) =


( { {3}^(4) )}^{ - (3)/(4) } ( { {7}^(3)) }^{ (2)/(3) } =


( {3}^( - 3) )( {7}^(2) ) = (49)/(27)

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User Lucy Maya Menon
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