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What value of n makes √10-3n = 7 true? A set of values has a mean of 250 and a standard deviation of 50. What value has a z-score of -2.4? Can you get liquid mercury from a fluorescent lightbulb containing mercury? Will a precipitate form if 40 mL of 1 * 10^-4 M HgNO3 is mixed with 20 mL of .005 M K2CrO4? The Ksp of HgCrO4 = 1 * 10^-7? F(x, y) = (1 + 5xy)^(3/2) then nabla(f( x, y) is?