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Write with Positive Exponents $243 ^ { - 4 / 5 }$

Question 308

Multiple Choice

Write with positive exponents. Simplify if possible.
- $243 ^ { - 4 / 5 }$

A) not a real number
B) 81
C) $- \frac { 1 } { 81 }$
D) $\frac { 1 } { 81 }$

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