Discrete math probability answer only b please

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 39SE: How many arrangements can be made from the letters of the word “mountains” if all the vowels must...
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Discrete math probability answer only b please
a) How many unique ways can you rearrange letters in the word 'bookkeeper'?
b) How many 10-character strings of decimal digits ((0-9) contain a 5 and a 7?
Transcribed Image Text:a) How many unique ways can you rearrange letters in the word 'bookkeeper'? b) How many 10-character strings of decimal digits ((0-9) contain a 5 and a 7?
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