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Can I get help in #5 ? I don’t get it

Can I get help in #5 ? I don’t get it
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4 votes
Can I get help in #5 ? I don’t get it

Can I get help in #5 ? I don’t get it-example-1
asked
User Leroy Stav
by
8.3k points

1 Answer

4 votes

Step 1

The selection formula is;


\begin{gathered} ^nc_r=(n!)/(r!(n-r)!) \\ n=10 \\ r=5 \end{gathered}
=(10!)/(5!(10-5)!)=(3628800)/(120(120))=252\text{ groups}

Answer; 252 groups

answered
User Zerium
by
7.9k points
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