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Count the possible combinations of 4 letters chosen from D, E, F, G, H.
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2 votes
Count the possible combinations of 4 letters chosen from D, E, F, G, H.

User Anar Salimkhanov
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1 Answer

5 votes
you would use the formula nCr

n= 5 which is the number of letters available which are D E F G H

r= 4 sample of letters

you can easily plug into the calculator... or work with the formula!

5C4 = 5


so there are 5 combinations

User Pgngp
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