2.3. Post-lab 2.3 Post-lab 1. Determine the value of each of the following arithmetic expressions. (when embedded in a small C++ program) Arithmetic Expressions Answer ArithmeticExpressions Answer sqrt(16.0) pow(2,3) sqrt(16) abs(-3) pow(2.0,3.0) fabs(-3.5) ceil(5.1) floor 5.8) (7+sqrt(4.0)V3.0 pow(3.0.22 2. Modify exercise 2 that allow user to read and average N integers, print the result. 3. Change exercise 2 to work with a do while loop instead of while loop