Mathematics, 11.06.2020 23:57 robert7248
An environmental firm is removing pollution from a river bed. They find that the pollution is decreasing at a rate of 5% per month, as measured by parts per million. The pollution starts off at a level of 360 parts per million (ppm). (a) What is th(b) What is the level two months after? Use appropriate units. e pollution level one month after they begin clean-up? Use appropriate units.
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For each given situation, determine if the method of randomization is either appropriate or not appropriate
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