hweloo7152 hweloo7152

17-01-2018
Mathematics

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How many ways can a group of 8 students be selected from 9 students?

Respuesta :

ale2godip2vp9d ale2godip2vp9d

21-01-2018

9!/(8!*(9-8)!)=9
or just use a calculator and use the nCr function

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