meeee79
meeee79 meeee79
  • 01-05-2019
  • Mathematics
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simplify 15c3 please

simplify 15c3 please class=

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Аноним Аноним
  • 01-05-2019

Answer:

455.

Step-by-step explanation:

Yes. You require the number of combinations of 3 from 15.

15C3

The formula for this is   15! / 12! 3! or you can do itr as follows

15C3 = 15*14*13/3*2*1

= 5*7*13

= 35*13

= 455.

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