Question

Evaluate this expression: 15C4

Answer 1

60c

Explanation:

15c(4)

15c*4=60c

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Answer 2

The evaluation of the expression

`15 C_(4)`

is 1365

How to evaluate expressions?

Evaluate

`15 C_(4)`

`15 C_(4) = (15!)/(4!(15 - 4)!)`

`= (15!)/(4!11!)`

`= (15 * 14 * 13 * 12 * 11!)/(4 * 3 * 2 * 1 * 11!)`

`= (15 * 14 * 13 * 12)/(4 * 3 * 2 * 1)`

`= (32760)/(24)`

`= 1365`