SOLUTION: in how mant ways can 3 identical emeralds, 2 identical diamonds and 2 different opals be arranged in a row in a display case
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Question 414700: in how mant ways can 3 identical emeralds, 2 identical diamonds and 2 different opals be arranged in a row in a display case Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! in how many ways can 3 identical emeralds, 2 identical diamonds and 2 different opals be arranged in a row in a display case.
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7!/(3!*2!) = 7*5*4*3 = 420 ways
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Cheers,
Stan H.
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