SOLUTION: Each Morse code symbol for a letter of the alphabet consists of dots(.) and dashes(-). Each symbol contains between 1 and 4 dots or dashes. How many different symbols can be made

Question 69034: Each Morse code symbol for a letter of the alphabet consists of dots(.) and dashes(-). Each symbol contains between 1 and 4 dots or dashes. How many different symbols can be made.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
For a single keystroke, there are 2 possible
(.),(-)
For a double keystroke, there are 4 possible
(..)
(--)
(.-)
(-.)
For 3 keystrokes, ther are 8 possible
(...)
(..-)
(.-.)
(-..)
(---)
(--.)
(-.-)
(.--)
And for 4 keystrokes, there are 16 possible
Without going through all the combinations, there
are 2 choices for the 1st, 2 for the 2nd, 2 for the 3rd, and 2 for the 4th

To sum the total possible characters
answer
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