The key here is to not worry too much and just follow PEMDAS.
Here we have the expression
. Following PEMDAS, we complete the expression inside the parentheses first, or
. This gives us
or just 
Hope this helps.
Option (2.)approximately uniform
Answer:
B.
.
Step-by-step explanation:
Use the power of a power property.

Multiply all the exponents in the parenthesis by 2.

The answer is B.
.
Hope this helps!
Answer:
Step-by-step explanation:
If she had two dice, a seven is the most common roll you can get, although the odds are still against you.
To get a seven with just 1 die is impossible.
Answer:
(7, -4)
Step-by-step explanation: