There are 12 participants running in a 110m hurdles race. How many ways are there to award a gold, silver, and bronze medal?

220 ways

Step-by-step explanation:

The order matters because there's going to be a first, second, and third place.

So, 12P3=12!/(12-3)!*3!=12!/9!*3!=12*11*10*9!/9!*3!=12*11*10/6=220

Therefore, 220 ways

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify