SOLUTION: Write the expression 243^-2/5 in radical notation. Evaluate the radical expression. Thank you!

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Question 709620: Write the expression 243^-2/5 in radical notation.
Evaluate the radical expression.
Thank you!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Write the expression 243^-2/5 in radical notation.
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5th root of [(243)^-2]
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Take the 5th root to get: 3^-2
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Invert to get: (1/3)^2
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Square the result to get 1/9
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Cheers,
Stan H.
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