Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

There are 25 people competing in a race. In how many ways can they finish in first and second place?. I will fan AND give medal if you help!

OpenStudy (shamim):

25P2

OpenStudy (shamim):

its permutation

OpenStudy (anonymous):

Thank you

OpenStudy (shamim):

u r most welcome

OpenStudy (mrnood):

25 options for 1st then 24 options for 2nd

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!