Ask your own question, for FREE!
Mathematics 18 Online
OpenStudy (anonymous):

28,000,000,000

OpenStudy (agent0smith):

That's a number, twenty eight billion. Is that it?

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!