### Home > CCA2 > Chapter Ch10 > Lesson 10.2.2 > Problem10-127

10-127.

Find the value of each of the following combinations.

1. $_{10}C_8$

Look at the Math Notes box from Lesson 10.1.1 to review this type of calculation.

1. $_{12}C_7$

$\frac{12!}{(12-7)}!7!$

1. $_7C_1$

$7$