The population of viruses in the dish A is 3,391 viruses.
Population density measures the amount of organisms in 1 square millimeters of a place (in this case the dish)
Population density = population / area
Population = population density x area
1.2 x 2826 = 3,391 viruses
To learn more about population density, please check: https://brainly.com/question/3704320
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