[5] The factorial of an integer n, written n !, is simply the product of all the integers from 1 to n. For example, 5!=12345=120. Write a program to calculate the factorial of integers from 1 to n where n is taken from the user. Your output should look like the sample output given below. Output Enter the value of n:5 [6] Write a program that takes marks of 10 students as input. It calculates the class average and displays it on the screen. Interaction with the program might look like this. Use while loop. Output Welcome Enter marks: 10 Enter marks: 20 Enter marks: 22 Enter marks: 70 Enter marks: 54 Enter marks: 87 Enter marks: 90 Enter marks: 43 Enter marks: 24 Enter marks: 45 Class Average is: 46.5 [7] Write a MIPS assembly program to do the following: (A) Ask the user to enter the size of an array of integers (i.e., words), n. (B) Read n integers and stores then in the array. (C) Display the sum, maximum and minimum in the array