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Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?
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What causes the appearance of lines in a emission spectrum
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a 15.5g sample of x combine with 42.5g of y to from the compound XY3 what are the mass of reactant a...
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