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For no. 47 to 50 refer to the scenario below:
A biologist is studying the population of a certain
type of bacteria. In one of his samples, the population of
bacteria is estimated to be 3.2x10 bacteria. In another
sample, taken from a different environment, the
population is estimated to be 5.4x10° bacteria.
A. Express the total population of bacteria from both
samples in scientific notation. (Correct answer with a
detailed solution will earn 2 points)
B. During an experiment, the biologist found that the bacteria population in the first sample
increased by a factor of 2.5x103. Calculate the new population of bacteria in the first sample
and express the result in scientific notation. (Correct answer with a detailed solution will
earn 2 points)
Your
answer