Question

In: Advanced Math

Rework problem 17 from section 1.4 of your text, involving a product code. Assume that product...

Rework problem 17 from section 1.4 of your text, involving a product code. Assume that product codes are formed from the letters W, V, and R, and consist of 4 not necessarily distinct letters arranged one after the other. For example, WWVV is a product code.


(1) How many different product codes are there? 


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(2) How many different product codes do not contain W? 

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Equation Editor

(3) How many different product codes contain exactly one V? 

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