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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)

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)

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 31RE: How many ways are there to choose a number from the set 10,6,4,10,12,18,24,32 that is divisible by...
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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)
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