Can I get help in #5 ? I don’t get it

asked Nov 19, 2023 125k views

4 votes

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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

Zerium answered Nov 26, 2023

5.5k points

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