Question 779160: using the letters MATHS how many 5 letter "number plates" can you make you can use letters more than once
Answer by psbhowmick(878)   (Show Source):
You can put this solution on YOUR website! There are 5 letters.
In a 5 lettered word, first letter can be selected in 5 ways.
In a 5 lettered word, second letter can be selected in 5 ways.
In a 5 lettered word, third letter can be selected in 5 ways.
In a 5 lettered word, fourth letter can be selected in 5 ways.
In a 5 lettered word, fifth letter can be selected in 5 ways.
So total no. of possible "number plates" is 5x5x5x5x5 = 5^5.
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