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How many four-character license plates consist of a consonant, followed by a vowel, followed by a consonant, and then a digit? (For this problem, consider Y a vowel.)

 Jun 10, 2019

Best Answer 

 #1
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There are 6 vowels, 20 consonatns and 10 digits.

For the first character there are 20 options, the second character 6 options, the third 20 options and the last 10 options.

Using the multiplication principle of counting gets 20*6*20*1 = \(\boxed{2400}\) possible license plates.

 Jun 11, 2019
 #1
avatar+99 
+1
Best Answer

There are 6 vowels, 20 consonatns and 10 digits.

For the first character there are 20 options, the second character 6 options, the third 20 options and the last 10 options.

Using the multiplication principle of counting gets 20*6*20*1 = \(\boxed{2400}\) possible license plates.

power27 Jun 11, 2019

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