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Hello! May I please have some help on this one? I worked it out but my answer is wrong.
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Hello! May I please have some help on this one? I worked it out but my answer is wrong.

Hello! May I please have some help on this one? I worked it out but my answer is wrong-example-1
User Szilard Muzsi
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1 Answer

6 votes

SOLUTION

Arranging r books from n books is given as n permutation r


\begin{gathered} ^nP_r\text{ is the number of ways of arranging r books from n books } \\ \\ n=10 \\ r=4 \\ \\ ^(10)P_4=5040\text{ \lbrack input into calculator \rbrack} \end{gathered}

Hello! May I please have some help on this one? I worked it out but my answer is wrong-example-1
User Dolly Aswin
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