Negative -5/8 - 1/2= I wanna know fast anyone??
1 answer:
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Answer:
option B
28
Step-by-step explanation:
Given in the question,
C(8,2)
Formula to use
<h3> nCr = n! / r! * (n - r)!</h3>here n = 8
r = 2
We have to calculate combinations of 8 object taken 2 at a time, then
C(8,2)
8C2
8! / 2! * (8 - 2)!
56/2
28
So, 8C2 = 28