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How many different 7​-letter words can be made a. if the first letter must be d, x, or t and no letter may be​ repeated?

How many different 7​-letter words can be made a. if the first letter must be d, x, or t and no letter may be​ repeated?
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5 votes
How many different 7​-letter words can be made

a. if the first letter must be d, x, or t and no letter may be​ repeated?

User Lonami
by
7.8k points

1 Answer

5 votes
>>>>>>>3*25*24*23*..*20
User Pnovotnak
by
8.2k points
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