The power of a power
The power of a power is related with the multiplication of the exponents. For example:

In this case

Then, the exponentes 1/2 and 2 are multiplied.
Since

Then,

Then, the answer is 7.
Answer- A. 7
I think the answers would be
four outcomes (bc four colors)
and
a 36% chance of grabbing a blue marble (4blue/11total)
45,851,473,145,125,548 I think thats the answer