A 5-character username for a website login must consist of a letter, three non-zero digits, and another letter. Letters can repeat, but digits cannot. How many usernames with these restrictions are possible? Show your work.
A 5-character username for a website login must consist of a letter, three non-zero digits, and another letter. Letters can repeat, but digits cannot. How many usernames with these restrictions are possible? Show your work.
Chapter7: Developing An Excel Application
Section: Chapter Questions
Problem 3RA
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A 5-character username for a website login must consist of a letter, three non-zero digits, and another letter. Letters can repeat, but digits cannot. How many usernames with these restrictions are possible? Show your work.
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