An ID number consists of 4 uppercase letters followed by 2 digits selected from 1 through 9, inclusive. How many ID numbers are possible, if repetition is allowed?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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An ID number consists of 4 uppercase letters followed by 2 digits selected from 1 through 9, inclusive.
How many ID numbers are possible, if repetition is allowed?
Transcribed Image Text:An ID number consists of 4 uppercase letters followed by 2 digits selected from 1 through 9, inclusive. How many ID numbers are possible, if repetition is allowed?
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