Calculate the exponential growth rate (r)  for the  years shown in the attached table.

Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
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Chapter44: Population Ecology
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Calculate the exponential growth rate (r)  for the  years shown in the attached table.

ll U.S. Cellular
6:58 PM
@ 53% 4
A chegg.com
Estimates of A or r are often used to determine how rapidly
a population is growing (or declining) at various points in
time. For a population that is growing exponentially, we can
estimate the exponential growth rate (r) using the following
equation:
where N(0) is the population size at the beginning of a time
period, t is the length of the time period, and N(t) is the
population size at the end of the period. In this exercise,
we'll use this technique and the data in the table to
examine the growth rate of the world's human population
at different points in time.
Exponential
growth rate (r)
Year (c.e.)
Population size
1
170 million
0.00028
400
190 million
1400
390 million
1800
990 million
?
1925
1.9 billion
1965
3.5 billion
?
1980
4.6 billion
2000
6.1 billion
2016
7.35 billion
(NA)
Transcribed Image Text:ll U.S. Cellular 6:58 PM @ 53% 4 A chegg.com Estimates of A or r are often used to determine how rapidly a population is growing (or declining) at various points in time. For a population that is growing exponentially, we can estimate the exponential growth rate (r) using the following equation: where N(0) is the population size at the beginning of a time period, t is the length of the time period, and N(t) is the population size at the end of the period. In this exercise, we'll use this technique and the data in the table to examine the growth rate of the world's human population at different points in time. Exponential growth rate (r) Year (c.e.) Population size 1 170 million 0.00028 400 190 million 1400 390 million 1800 990 million ? 1925 1.9 billion 1965 3.5 billion ? 1980 4.6 billion 2000 6.1 billion 2016 7.35 billion (NA)
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