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Sushmitarai9416
31.01.2020 •
Mathematics
What is the value of the expression 10 c 6? a.210 b.720 c.5040 d.151,200
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Ответ:
A. 210
Step-by-step explanation:
We know that the number of combinations of n things taking r at time is given by expression :-
The given expression :
which basically gives the number of combinations of 10 things taking 6 at a time.
Using (1) , we have
Hence, the correct answer is A. 210 .
Ответ:
need points
Step-by-step explanation: