note***** Answer Options for question A are: Row reduction, permutation, combination, or filing slots At a university, usernames are made of 4 lettersfollowed by 5 digits (0-9).a. Which technique should you use to determine thenumber of possible usernames? Select an answerb. How many possible usernames are there?

4 letters followed by 5 digits letters : A to Z, n = 26 digits : 0 to 9 , n = 10

Answered: At a university, usernames are made of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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At a university, usernames are made of 4 letters followed by 5 digits (0 - 9). a. Which technique should you use to determine the number of possible usernames? Select an answer b. How many possible usernames are there?