2. Write a program to input a number x from the keyboard. If the number is larger than 0, find its square root. Otherwise, calculate x* x. Write the program by using selection statement. A sample of...

Extracted text: 2. Write a program to input a number x from the keyboard. If the number is larger than 0, find its square root. Otherwise, calculate x* x. Write the program by using selection statement. A sample of the output showed as below. Please enter a positive or negative number: -4 You have entered -4 which is smaller than 0 Therefore -4 x -4 = -8 Hint: Use include to include sqrt function. Example: root=sqrt(x);


Extracted text: 3. A company sells five different products with prices shown in the following table Retail Price Unit (RM) 15.50 Product Number 1 19.25 3 14.75 4 25.00 5 12.20 Write a program using switch-case statement that reads the product number and number of units sold and display the amount to be paid. Sample of the output shown as below Please enter a product number: 5 Quantity : 4 Total amount to be paid: RM48.80