In how many ways can a president and a vice president be randomly selected from a class of 20 students?

n how many ways can a president, vice president, and a secretary be chosen? It is 12X11X10. Permutation of n things taken r at a time: nPr=n!/(n-r)! 12P3=12*11*10*9!/9!= 12*11*10=1320 ways.

Step-by-step explanation:

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.