Answer:
The answer is 

Explanation:
The operation can be seen in the following form:

if we remember the law of exponents...

so we can solve it the following form:

and the result, 
 , can be expressed like this:
, can be expressed like this:
 =0.1111111
=0.1111111
And that, in fraction form, is 1/9
That's it. Let me know if you have questions