en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

C(21,3)

Solution

C(21, 3)

Solution

1330

Solution steps

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

Plug in

n = 21, r = 3

= \frac{21 !}{3 ! ( 21 - 3 ) !}

\frac{21 !}{3 ! ( 21 - 3 ) !} = 1330

= 1330

Popular Examples

maximum of 0.801,0.081,0.049,0.017,0.015,0.011,0.008,0.007,0.006,0.005 maximum

0.801, 0.081, 0.049, 0.017, 0.015, 0.011, 0.008, 0.007, 0.006, 0.005

10 C H OOSE 2

12 C 9

arithmeticmean of 9.5,5.6,7.7,6.6,3.9,2.1,8.8,5.1,7.4,6.5,2.3 average

9.5, 5.6, 7.7, 6.6, 3.9, 2.1, 8.8, 5.1, 7.4, 6.5, 2.3

median of 72,76,74,78,82,80 median

72, 76, 74, 78, 82, 80

Frequently Asked Questions (FAQ)

What is C(21,3) ?
The answer to C(21,3) is 1330