Asked by Adedeji Ogunba

Using the ordinary alphabet and allowing repeated letters, find the number of words of length 8 that have at least one C.

What's the difference between the wording of "exactly one" and "atleast one"?

Answers

Answered by Steve
<u>at least</u> 1 means any integer bigger than zero
I think surely you know what <u>exactly</u> 1 means ...
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