### Home > CCG > Chapter Ch10 > Lesson 10.3.3 > Problem10-141

10-141.

For each of the following expressions, write a factorial expression and then compute the value. Use the $_nC_r$and $_nP_r$ functions on your calculator to make the computation.

1. $_{10}P_8$

$\frac{10!}{2!} = 1,814,400$

1. $_{10}C_8$

$\frac{10!}{8!2!} = 45$

1. $_6C_1$

$\frac{6!}{1!5!}$

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