In: Advanced Math
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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Equation Editor
(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?