Write as a single power of 3: i. 27/9^a

Rewrite 27/9^a as

 27        3^3            3^3

= = = 3^(3-2a) (answer)

9^a       (3^2)^a       3^(2a)

answer is : muchas/tipicas

have a nice day!

~recklesschicken

i think asking google will you get the answer to that question