Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

topic:permutation A building has 5 entrances and 4 exit. In how many ways can you go in and out of the building?

OpenStudy (raden):

use multiply rule

OpenStudy (anonymous):

5p4?

OpenStudy (raden):

5*4=20

OpenStudy (anonymous):

ahh

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!