Question 1: Which is used to input information on a laptop? A: Mouse B: Power button C; Memory storage D: Speakers Question 2: Why is sequencing important? (python) A: It allows the programmer to test the code. B: It allows the user to understand the code. C: It ensures the program works correctly. D: It makes sure the code is easy to understand. Question 3: Carlos is using the software development life cycle to create a new app. He has finished coding and is ready to see the output it produces. Which stage of the software development life cycle is Carlos ready for next? A:Coding B: Design C: Maintenance D: Testing

Assignment: permutations use the permutation formula   r ! ! n n p nr   to solve each problem. be sure to show all work leading to your answer. part i: solve real-world permutation problems choose any four (4) of the following five problems to solve. for each problem a) show how the permutation formula can be used to find the answer and b) write a sentence to explain the meaning of the answer for the situation. 1. to register for online banking services at a local credit union, you need to select a four-digit personal identification number, or pin code. the digits cannot be repeated. how many ways are there to arrange four digits out of the numerals 0 through 9 to create a code?