How many 4-letter codes are possible using 10 letters if A) repetition is not allowed B) repetition

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How many 4-letter codes are possible using 10 letters if A) repetition is not allowed B) repetition is allowed

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Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

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Posted Date: Jul 14, 2022 08:05 AM

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How many 4-letter codes are possible using 10 letters if A) repetition is not allowed B) repetition

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So that 5040 codes formed when repetition is not allowed10000 codes formed whe... View the full answer

Physical Chemistry

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