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OpenStudy (anonymous):
how many ways to seating 6 student in 7 seats?
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OpenStudy (shadowfiend):
So you have 7 seats, and 6 students. So you can try to assign seats to students. The first student will have 7 options, the second will have 6, and so on. Does that help?
OpenStudy (anonymous):
is it 7!?
OpenStudy (anonymous):
the formula to find the answer?
OpenStudy (shadowfiend):
So in a question like this, you multiply the first number of possibilities by the remaining number by the remaining, until you are out. In this case, you have 6 students, so 6 slots: _ * _ * _ * _ * _ * _ The number of possibilities decreases by one each time, so fill in the blanks: 7 * 6 * _ * _ * _ * _
OpenStudy (anonymous):
the answer 5040?
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OpenStudy (shadowfiend):
Sounds right! :)
OpenStudy (anonymous):
thank you~
OpenStudy (shadowfiend):
Glad to help!
OpenStudy (anonymous):
are you still studying?
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