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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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