How many 7-letter words contain exactly 2 vowels? (For example, an 8-letter word with 5 vowels is"aaioobtt"; don't consider "y" a vowel for this exercise.)What if repeated letters were not allowed?BA

To find the number of words contain exactly two vowels :-

Answered: How many 7-letter words contain exactly…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.CT: Chapter Test

Problem 23CT

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How many 7-letter words contain exactly 2 vowels? (For example, an 8-letter word with 5 vowels is "aaioobtt"; don't consider "y" a vowel for this exercise.) What if repeated letters were not allowed?