How many passwords can be formed using the letters "L, i, o, n" and the digits 2, 0, 1, 9"

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A safe lock is formed of 3 different letters followed by 4 different digits.
How many passwords can be formed using the letters "L, i, o, n" and the digits 2, o, 1, 9"
None of other options
576
36
144
Transcribed Image Text:A safe lock is formed of 3 different letters followed by 4 different digits. How many passwords can be formed using the letters "L, i, o, n" and the digits 2, o, 1, 9" None of other options 576 36 144
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