Answer:
1/27
Step-by-step explanation:
mark as BRAINLIST answer
[tex] \boxed{ {3}^{ - 3} }[/tex]
[tex] \frac{1}{3} .\frac{1}{3} .\frac{1}{3} = \frac{1}{ {3}^{3} } = {3}^{ - 3} [/tex]