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简答题
The information on a cereal box states that28 9rams of cereal contains 45% of thedaily recommended amount of iron.How much of this cereal must be eaten in order to obtain 100%of thedaily recommended amount of iron?
Roundyour answer to the nearest gram.
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Uranium is present in seawater at aconcentration of 3 parts per billion.If a process isavailable to extract this uranium,how many kilograms ofseawater would need to be processed in order to obtain 50 kilograms of uranium?
Roundyour answer to two significant digits.
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A play has two roles for men and four rolesfor women.If five men and12 women try out for theseparts,in how many different ways can thedirector choosepeople for the roles?
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Which of the following data sets has thelargest standard deviation?
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