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Popular Statistics >

28 choose 2

  • Pre Algebra
  • Algebra
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Solution

28C2

Solution

378
Solution steps
=r!(n−r)!n!​
Plug in n=28,r=2=2!(28−2)!28!​
2!(28−2)!28!​=378
=378

Popular Examples

C(52,4)arithmeticmean of 1,2,2,5,5,6P(26,5)arithmeticmean of 1.97,1.57,2.03arithmeticmean of 1.01,1.03,0.98,0.99,1.01,1.02,0.98,1.05,0.97,0.98

Frequently Asked Questions (FAQ)

  • What is 28 choose 2 ?

    The answer to 28 choose 2 is 378
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