The registration numbers of candidates appearing for an examination have four letters followed by three digits. Assuming

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The registration numbers of candidates appearing for an examination have four letters followed by three digits. Assuming that any letter or digit can be used, how many different registration numbers are possible?

Use the Fundamental Counting Principle.

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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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