Question

there are twenty-four comic books to choose from at the Local store. how many different sets of 10 comic books could you choose to buy?

Answer 1

Answer:

Explanations:

This is a combination exercise

Note that:

$\text{nPr = }\frac{n!}{(n-r)!r!}$$\begin{gathered} 12P10=\text{ }\frac{24!}{(24-10)!} \\ 12P10=\text{ }\frac{24!}{14!} \\ 12P10=\text{ }7.1\times10^{12} \end{gathered}$