Subject identification numbers in a certain scientific research project consist of two digits followed by two letters and then four more digits. Assume repetitions are not allowed within any of the three groups, but digits in the first group of two may occur also in the last group of four. How many distinct identification numbers are possible?
Subject identification numbers in a certain scientific research project consist of two digits followed by two letters and then four more digits. Assume repetitions are not allowed within any of the three groups, but digits in the first group of two may occur also in the last group of four. How many distinct identification numbers are possible?
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 22E: License Plate Numbers In a certain state, each automobile license plate number consists of two...
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Transcribed Image Text:Subject Identification numbers in a certain scientific research project consist of two digits followed by two letters and then four more digits. Assume repetitions are not
allowed within any of the three groups, but digits in the first group of two may occur also in the last group of four How many distinct identification numbers are
possible?
There are distinct identilfication numbers possible
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