Fill in the blanks in each of the following statements:

a) ___________are used to document an app and improve its readability.

b) A decision can be made in a C# app with a(n) ___________.

c) Calculations are normally performed by___________ statements.

d) The arithmetic operators with the same precedence as multiplication are___________ and___________.

e) When parentheses in an arithmetic expression are nested, the___________ set of parentheses is evaluated first.

f) A location in the computer’s memory that may contain different values at various times throughout the execution of an app is called a(n) ___________.