How many different computer passwords are possible if each consists of 7 symbols and if the first 3 must be letters and the other 4 must be digits (repetition is NOT allowed)?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 21PT: How many distinct ways can the word EVANESCENCE be arranged if the anagram must end with the letter...
icon
Related questions
Question
17
How many different computer passwords are possible if each consists of 7 symbols and if the
first 3 must be letters and the other 4 must be digits (repetition is NOT allowed)?
5040
175.760,000
78,624,000
27,576
Transcribed Image Text:17 How many different computer passwords are possible if each consists of 7 symbols and if the first 3 must be letters and the other 4 must be digits (repetition is NOT allowed)? 5040 175.760,000 78,624,000 27,576
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning