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How much is one euro in dollars ? Could we harness the power of the universe? A court randomly selects a jury of 4 persons from a group of 16 persons. The total number of combinations is:? How many liter at STP will C12 gas 1.205 *10^23 molecules occupy? How do you find the discriminant of the equation, 3x^2-xsqrt{7}-3=0?