b) Write the variable definitions for each of the following: i. a character variable named Label ii. an integer variable size iii. a floating point variable product iv. a double variable salesTax10 V. a floating point variable TotalSum with initialization 5.6
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- 20. Give meaningful identifiers for the following variables and write a proper C11 declaration and initialization to a reasonable value. (1, 6, 7)a. A variable to store the letter grade, (A, B, C, D, or F).b. A variable to store the sales tax price of an item.c. A variable to store the number of juice bottles sold.d. A variable to store the billing amount of a doctor’s visit.e. A variable to store the grade point average (GPA).Give meaningful identifiers for the following variables and write a proper C++ declaration and initialization to a reasonable value. a. A variable to store the letter grade, (A, B, C, D, or F).b. A variable to store the sales tax price of an item.c. A variable to store the number of juice bottles sold.d. A variable to store the billing amount of a doctor’s visit.e. A variable to store the grade point average (GPA).For each of the following variable definitions, determine whether the statementis valid or invalid. For those that are invalid , explain why .A) int ivar;int *i ptr = &ivar ;B) int ivar, *iptr = &ivar ;C) fl oat fvar;D) int *i ptr = &fvar ;int nums[50], *i ptr = nums;E) int *i ptr = &ivar ;int ivar;
- Following is an example of different ways one can declare variables in some programming language.Write down the regular expression that can generate such variable declarations.Assume that- All variable names are at most five (previously written as exactly five; both will be considered correct) characters long. Variable names can contain only small letters [a-z], digits [0-9], and two special characters $ (dollar) and _ (underscore). $ sign can only be used at the beginning. No names can start with digits. The variable types are integer, real, char, and Boolean only. The word ‘var’ which denotes variable is optional. Ignore any whitespace (space, tab, newline, etc.) Infer the rest of the rules from the code snippets below-var int1 : integer;var foo_1 : boolean;var f2 : real;_ind: char;x, y, z: integer;How may the int variables months, days, and years be defined in one statement, with months initialized to 2 and years initialized to 3?The following variables have been initialized for you: int a; float f; double d; You have to cast the variable into different data types as follows: Cast a as float to a variable x. Cast f as an integer to a variable y. Cast d as float to a variable z. Hint: You have to initialize the variables x,y and z of proper data types
- Please show me how to typecast a float variable to integer explicit with the help of a program in C++. Take the float value as float f= 12.91Declare a primitive variable of type integer named num and assign it the value 14.Compute the values of the following C expressions assuming that a, b and c are integer variables and d is a float variable as declared below. int a=2, b=3, c=4; float d=5.0
- 8- Which of the following primitive types in Python would be most suitable for representing acceleration due to gravity on Earth, 9.81 m/s²? a. float (floating point number) b. str (string) c. bool (boolean) d. int (integer)Consider the following variable declaration: int a = 403; double b = 201.447; double c = -11.2; Fill in the blanks with the proper placeholder to display the following line of output (for clarity, a '#' is used to indicate one space).d. Given that an int variable s has been initialized, write a statement(s) that declares a new variable andassign it the remainder of 9 times 8 less than s divided by 4. e. Write a statement(s) that initializes the variables named a, b, c and d to false, ''one'', 'y' and 87.9respectively