They are not. The easiest way to tell this is by multiplying the last number of each parenthesis together. This should always result in the last number in the equation. However, -8*5 does not equal -30, so these are not the true factors.
The answer is 1/3 is the answer.
Number 2 is 20 number 3 is 11
7 to the power of 7 is : 823543!
