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Black_prince [1.1K]
2 years ago
15

A signal can be formed by running different colored flags up a​ pole, one above the other. find the number of different signals

consisting of 7 flags that can be made using 3 white​ flags, 2 red​ flags, and 2 blue flags.
Mathematics
1 answer:
Sav [38]2 years ago
6 0

\dfrac{7!}{3!2!2!}=\dfrac{4\cdot5\cdot6\cdot7}{2\cdot2}=210


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