A variable name in the programming language Visual Basic must begin with a letter (uppercase or lowercase) possibly followed by letters, digits (0–9), and various special characters. How many different Visual Basic variable names of length up to five are possible that consist of letters and digits and end in a digit?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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 A variable name in the programming language Visual Basic must begin with a letter (uppercase or lowercase) possibly followed by letters, digits (0–9), and various special characters. How many different Visual Basic variable names of length up to five are possible that consist of letters and digits and end in a digit?

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