A computer password is required to be 6 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed? There are possible passwords.

A computer password is required to be 6 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed? There are possible passwords.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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A computer password is required to be 6 characters long. How many passwords are
possible if the password requires 2 letter(s) followed by 4 digits (numbers 0-9), where no
repetition of any letter or digit is allowed?
There are possible passwords.

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