Math Problem Statement
20. Application Before the invention of the telephone, Samuel Morse (1791-1872) developed an efficient system for sending messages as a series of dots and dashes (short or long pulses). International code, a modified version of Morse code, is still widely used. a) How many different characters can the international code represent with one to four pulses? b) How many pulses would be necessary to represent the 72 letters of the Cambodian alphabet using a system like Morse code?
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Combinatorics
Formulas
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Theorems
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Suitable Grade Level
Grades 7-9
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