Code Example 9-2 number = float(input("Enter a number: ")) result1 = number * .15 result2 = result1 / 3 result3 = result1 + result2 print(result3) Refer to Code Example 9-2. To be sure that the results are accurate to 2 decimal places, you should ___. - round the result of each expression to 2 decimal places - round just the result that's displayed to 2 decimal places - round all three results to 2 decimal places - round just the result1 and result2 variables to 2 decimal places