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You have four tiles that say M, A, T, and H. How many words can you form from these tiles? For example, you can form "AMH" and "TH". (The words do not have to be valid English words.)
 

 Apr 14, 2019
 #1
avatar+37153 
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https://web2.0calc.com/questions/help_22327#r5

 Apr 15, 2019
 #2
avatar+4622 
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Yes, that is the link ! Read the solutions carefully, guest. cool

 Apr 15, 2019
 #3
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4P1 = 4 one-letter words.

4P2 =12 two-letter words.

4P3=24 three-letter words.

4P4 =4! =24 four-letter words.

Total =4 + 12 + 24 + 24 = 64 words.

 Apr 15, 2019

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