Problem#3: Suppose that we wish to establish a three-letter code using any of the 26 uppercase letters of the alphabet, but we require that no letter be used more than once. How many different three-letter codes are there?
Problem#3: Suppose that we wish to establish a three-letter code using any of the 26 uppercase letters of the alphabet, but we require that no letter be used more than once. How many different three-letter codes are there?
Residential Construction Academy: House Wiring (MindTap Course List)
4th Edition
ISBN:9781285852225
Author:Gregory W Fletcher
Publisher:Gregory W Fletcher
Chapter9: General Nec Requirements For Rough-in Wiring
Section: Chapter Questions
Problem 19RQ
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Problem#3: Suppose that we wish to establish a three-letter code
using any of the 26 uppercase letters of the alphabet, but we
require that no letter be used more than once. How many
different three-letter codes are there?
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