5. (10 pts) Write calls to printf to display the variable x in the following formats: a. x is a float. Format: Exponential notation, left justified, in field size of 5 with 3 digits after the decimal point b. x is an int. Format: Right justified, in a 9 digit field mm 6. (15 pts) Assume that a and b are int variables and x is a float variable. What is the value of each variable after the following scanf is called? scanf("%d%f%d", &a,&x,&b); supposing the user enters: 9.2 8 13 ... ... 7. (15 pts) Write a single statement to read the time from the standard Input in the form of h:m:s and store it in three integer variables named hours, minutes and seconds. 8. (15 pts) Write a single statement to read a percentage from the standard input. For example www...the user enters 13.6% and program stores 13.6 into a float variable named percent The variable percent has been declared to be float