What punctuation mark do mathematicians use to express a number's factorial?

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The zodiac sign "Capricorn" refers to what animal?

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What novel's long-promised sequel is called "Buttercup's Baby"?

During what war was the novel "Catch-22" set?

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How many moons does Mars have?

The Golden Lion is awarded at which film festival?

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On what island is Paddy's Pub, the site of a 2002 terrorist bombing?