How many 5-letter code words are possible from the first 7 letters of the alphabet if no

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How many 5-letter code words are possible from the first 7 letters of the alphabet if no letter is repeated? If letters can be repeated? If adjacent letters must be different?

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College Mathematics for Business Economics Life Sciences and Social Sciences

ISBN: 978-0321614001

12th edition

Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen

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Question Posted: Apr 14, 2016 07:54 AM

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How many 5-letter code words are possible from the first 7 letters of the alphabet if no

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A Number of fiveletter code words no letter repeated O 1 Selecting the first letter O 1 Selecting th...View the full answer

College Mathematics for Business Economics Life Sciences and Social Sciences

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