Find the score for $3. Enter your formula into B14. B ID NAME SCORE Score2 Score3 ID NAME SCORE 1 S1 3 71 67 1 S1 93 2 S2 88 S2 88 58 66 3 $3 47 3. S3 47 82 99 4 $4 65 4. S4 65 53 71 5 55 6 S6 7 57 41 S5 41 91 72 47 6. S6 47 65 64 32 7. S7 32 91 90 8 S8 9 S9 57 89 8. S8 57 70 66 10 S10 25 6. S9 89 70 76 10 S10 25 89 66 3 NAME: 4 SCORE: $3 Name S3 Score

Which of these methods can be used to check whether the given value is a number or not? i) isNaN() ii) isNumber() iii) checkNaN() iv) checkNumber()

Complete the expanded notation for 145.  145 = ( __ X 100)+

PYTHON PROGRAMMING ONLY PLEASE  CODE IS CORRECT BELOW COULD YOU PLEASE INCLUDE INPUT VALIDATION INTO THE CODE THATS THE ONLY THING TO BE DONE    # Getting the number of days from the usernum_days = int(input("Enter the number of days: ")) # Initializing variablessalary = 0.01  # Initial salary on the first daytotal_pay = 0  # Initializing total pay to 0 # Printing a table headerprint("Day\tSalary")print("------------------") # Calculating and displaying the salary for each dayfor day in range(1, num_days + 1):    total_pay += salary    print(f"{day}\t${salary:.2f}")    salary *= 2  # Doubling the salary for the next day print("------------------") # Displaying the total pay in dollarsprint(f"\nTotal pay over {num_days} days: ${total_pay:.2f}")