Answer:
[tex] \frac{1}{ - 729} [/tex]
Explanation:
(-243)^-6/5
[1/(-243)] ^6/5
[tex]( \frac{1}{ - 243} ) {}^{6 \div 5} [/tex]
[tex] (\frac{1}{( - 3)} ) {}^{5} ) {}^{6 \div 5} [/tex]
[tex]( \frac{1}{ - 3} ) {}^{6} [/tex]
[tex] \frac{1}{ - 729} [/tex]