To log onto a certain website, they require the customer to create a unique username. The username must start with three letters, which cannot be repeated, and then followed by two digits, which can be repeated. How many different usernames are possible? Enter in your exact answer in the space below.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 3ECP: A combination lock will open when you select the right choice of three numbers (from 1 to 30,...
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To log onto a certain website, they require the customer to create a unique username. The username must start with three
letters, which cannot be repeated, and then followed by two digits, which can be repeated. How many different usernames
are possible?
Enter in your exact answer in the space below.
Transcribed Image Text:To log onto a certain website, they require the customer to create a unique username. The username must start with three letters, which cannot be repeated, and then followed by two digits, which can be repeated. How many different usernames are possible? Enter in your exact answer in the space below.
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