Solved

Use the Combinations Formula
Use the Formula For $\mathrm { n } ^ { \mathrm { C } _ { \mathrm { r } } }$

Question 54

Multiple Choice

Use the Combinations Formula
Use the formula for
$\mathrm { n } ^ { \mathrm { C } _ { \mathrm { r } } }$ to evaluate the expression.
- $9 C _ { 5 }$

A) 126
B) 3024
C) 72,576
D) 15,120

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