Help you in what question explain
Answer:
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
False, the answer actually comes out to be -1
She will have about 3 minutes 20 seconds to work on each exercise because 1/3 of an hour is 20 minutes. You can find that by dividing 60 by 3. Next you have to divided 20 by 6. Your answer will be 3.33333333333. So you would get about 3 minutes 20 seconds
