Answer:
[tex] \frac{1}{27} [/tex]
Step-by-step explanation:
[tex] {3}^{2} \times {3}^{ - 1} \times {3}^{ - 4} \\ {3}^{2 - 1 - 4} = {3}^{ - 3} \\ \frac{1}{ {3}^{3} } = 3 \times 3 \times 3 = 27[/tex]
[tex] \bold{\boxed{Answer:{\bold{\boxed{\green{= \frac{1}{27}}}}}}} [/tex]