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How do you convert 1.31 x10^24 atoms of carbon to moles of carbon? A club has 5 members. From these members they have to pick a president and vice president in how many ways can these 2 positions be filled.? How much pounds of force does it take to launch a 51 pound object 12 feet into the air? Divide 117 billion by 327 million? The length of the minor arc AB of a circle, centre 'O', is 2π cm and the length of major arc is 22π cm.?