How many 9-character passwords with only the characters $, #, @, A5, A6,..., A21 are possible if repetition of characters in the password is not allowed? O (20,9) O (9,19) O 20 to the power of 9 O 9! O 20! O (9,20) O P(9,20) O P(20,9) O 9 to the power of 20 O 19 to the power of 9 O P(9,19) O 191 O 9 to the power of 19 O P(19,9) O (19,9)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
100%
How many 9-character passwords with only the characters $, #, @, A5, A6,..., A21 are possible if repetition of characters in the password is not allowed?
O (20,9)
O (9,19)
O 20 to the power of 9
O 9!
O 20!
O (9,20)
O P(9,20)
O P(20,9)
O 9 to the power of 20
O 19 to the power of 9
O P(9,19)
O 191
O 9 to the power of 19
O P(19,9)
O (19,9)
Transcribed Image Text:How many 9-character passwords with only the characters $, #, @, A5, A6,..., A21 are possible if repetition of characters in the password is not allowed? O (20,9) O (9,19) O 20 to the power of 9 O 9! O 20! O (9,20) O P(9,20) O P(20,9) O 9 to the power of 20 O 19 to the power of 9 O P(9,19) O 191 O 9 to the power of 19 O P(19,9) O (19,9)
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Finite State Machine
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,