a chemical engineer must report the average volume of a certain pollutant produced by the plants under her…

a chemical engineer must report the average volume of a certain pollutant produced by the plants under her supervision. here are the data she has been given by each plant:\n| plant | volume of pollutant |\n|--|--|\n| macon | 47.3 l |\n| doheny | 4.4 l |\n| allegheny | 0.4 l |\nwhat average volume should the chemical engineer report? be sure your answer has the correct number of significant digits.

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