In 2017, a population of lemmings was 300 animals. Assuming r = 0.2, and K = 600 calculate the population of lemmings expected in 2021. Round result to the nearest full number.

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?