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.

Np Ms Office 365/Excel 2016 I Ntermed
1st Edition
ISBN:9781337508841
Author:Carey
Publisher:Carey
Chapter7: Developing An Excel Application
Section: Chapter Questions
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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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