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Popular >

9 choose 9

Solution

9c9

Solution

1

Solution steps

= \frac{n !}{r ! ( n - r ) !}

Plug in

n = 9, r = 9

= \frac{9 !}{9 ! ( 9 - 9 ) !}

\frac{9 !}{9 ! ( 9 - 9 ) !} = 1

= 1

Popular Examples

std of 1,4,6 standard deviation

1, 4, 6

arithmeticmean of 2,3,4,4,6,8,9 average

2, 3, 4, 4, 6, 8, 9

6 P 3

mode of 69,73,65,70,71,74,65,69,60,62 mode

69, 73, 65, 70, 71, 74, 65, 69, 60, 62

variance of 9,8,6,6,8,6,3,9,4,6 variance

9, 8, 6, 6, 8, 6, 3, 9, 4, 6

Frequently Asked Questions (FAQ)

What is 9 choose 9 ?
The answer to 9 choose 9 is 1