Geometryyyy?

2007-08-13 4:37 pm
1. Radio and television stations in the USA and Canada have names which are basically four letter words. These words must begin with either a K, a W or a C and may use a blank as the last letter. For instance both WHO and CKLW are acceptable names.
(a) How many such station names are possible?
(b) How many of these are three-letter names [the last letter is a blank]?
(c) How many of these names use the same letter throughout the name?

回答 (2)

2007-08-13 7:06 pm
✔ 最佳答案
Please show us your work in how you attempted to find the answers.

Then, we will affirm if you did it correctly or show you where you went wrong. Just doing it for you is NOT Homework HELP.
2007-08-13 11:57 pm
A. 54,756
B. 2028
C. 3


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