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Crash Course Chapter 11: How Much Is A Trillion?

During the Crash Course you will often encounter numbers that are expressed in trillions. How much is a trillion? You know what? I’m not really sure myself. A trillion is a very, very big number, and I think it would be worth spending a ...

Video - admin - Jun 11 2012 - 3:26pm - 1 comment - 0 attachments