Bob and Joe were sitting in their math class one day... (x-post r/unexpectedfactorial) Bob and Joe were sitting in their math class one day when their teacher suddenly shouts ""Pop quiz! If you don't answer this question correctly, then you will fail the class"" Both Bob and Joe are taken aback. The teacher turns to Joe, ""Joe! Quickly, how many seconds are there in six weeks?"" Joe takes a few seconds to think about it, and then with a smile on his face quickly exclaims, ""there are exactly 10!…