SOLUTION: Okay, i don't understand this problem: 8P4 --- Except the 8 and 4 are small and on the bottom. I don't even know were to start i think something like 8*4. But they didn'

Algebra ->  Algebra  -> Expressions-with-variables -> SOLUTION: Okay, i don't understand this problem: 8P4 --- Except the 8 and 4 are small and on the bottom. I don't even know were to start i think something like 8*4. But they didn'      Log On

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Question 114673: Okay, i don't understand this problem:
8P4
---
Except the 8 and 4 are small and on the bottom. I don't even know were to start i think something like 8*4. But they didn't say any substitution or anything.
Thank you SO much!
Answer by stanbon(48568) About Me  (Show Source):
You can put this solution on YOUR website!
8P4
This in "combination" notation. It symbolizes the number
of groups of 4 you can find in a set of 8 (people; for example)
-------------
The answer is 8!/(8-4)!*4!
= 8*7*6*5/1*2*3*4 = 70
==================
Cheers,
Stan H.