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What is the strength (expressed as a ratio) of a 20 milliliter solution that contains 600 milligrams of sodium chloride? Rationalize the denominator. Assume that all variables represent positive real numbers. 4xy^2/index 5 radical 4x^4y? Hi I am in 6th grade and struggleing with a question.? It takes 15 minutes for certain embryo cells to divide. how many cells would be produced after 4 hrs? How many tablespoons in a8 oz cup?