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3 years ago

I really need helps please !!

Mathematics

2 answers:

Olenka [21]3 years ago

7 0

Answer:

210

Step-by-step explanation:

We are arranging the first 3 horses that finishes out of 7 horses.

It's represented as 7P3; P- permutation [ arrangements]

7P3= 7!/ (7-3)!

= 7!/ 4!

= 7* 6* 5* 4! / 4! = 210

NNADVOKAT [17]3 years ago

5 0

Answer:

There are 8 horses, the number of ways that first 3 finishers turn out is permutation with n = 8, k = 3.

N = 8P3 = 8!/(8 - 3)! = 8 x 7 x 6 = 336 ways

=> Option D is correct

Hope this helps!

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