# SOLUTION: in how many ways can 10 different books be arranged on a shelf if there is room for A: all 10 Books? B. for only 7 Books?

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 Algebra: Combinatorics and Permutations Solvers Lessons Answers archive Quiz In Depth

 Question 617429: in how many ways can 10 different books be arranged on a shelf if there is room for A: all 10 Books? B. for only 7 Books?Answer by stanbon(60771)   (Show Source): You can put this solution on YOUR website!in how many ways can 10 different books be arranged on a shelf if there is room for A: all 10 Books? Ans: 10! = 3628800 ways ---------------------------- B. for only 7 Books? Ans: 10P7 = 10!/(10-7)! = 10!/3! = 604800 ============================================ Cheers, Stan H. ===============