SOLUTION: word problems a.) and b>) i really need help with this section been trying for hours. A.)in a row of 8 chairs. how many ways can 5 people be seated? B.)how many ways can 11 boo

Question 461711: word problems a.) and b>) i really need help with this section been trying for hours.
A.)in a row of 8 chairs. how many ways can 5 people be seated?
B.)how many ways can 11 books be arranged on a shelf?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
8 chairs, 5 at a time equals 8C5, which equals:
8x7x6x5!/3x2x5!=8x7=56 different combinations.
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Arrange 11 books equals 11!=11x10x9...=39916800..
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