YOU SAID:

i am sitting here thinking about 2 to the 3rd power.

INTO JAPANESE

私はここに座って約2の3乗を考えています。

BACK INTO ENGLISH

I am thinking about sitting here about two thirds.

INTO JAPANESE

私は約2/3をここに座ることを考えています。

BACK INTO ENGLISH

I am thinking about sitting here about two thirds.