## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 11 - Counting Methods and Probability Theory - 11.1 The Fundamental Counting Principle - Exercise Set 11.1: 6

#### Answer

$234$

#### Work Step by Step

The number of ways in which a series of successive things can occur is found by multiplying the number of ways in which each thing can occur. ---------- 1. The first character, a letter, can be chosen in $26$ ways. 2. The second character, a digit, can be chosen in $9$ ways. Applying the Principle, the total number of labels is $26\times 9=234$

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