The number of permutations of selecting $r$ objects from a set of $n$ objects is given by:
$$_nP_r = \frac{n!}{(n-r)!}$$
In our case, we have $n=100$ and $r=5$. So, we need to calculate:
$$_{100}P_5 = \frac{100!}{(100-5)!}$$
Now, we can use a calculator to
Show more…