torigirl4126
12.09.2019 •
Mathematics
Country a has a growth rate of 3.4% per year. the population is currently 4,118,000, and the land area of country a is 29,000,000,000 square yards. assuming this growth rate continues and is exponential, after how long will there be one person for every square yard of land?
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Ответ:
time period is 260.57 years
Step-by-step explanation:
given data
growth rate = 3.4 % = 0.034
population = 4118000
area P = 29000000000 square yard
to find out
time period that one person for every square yard of land need
solution
we will apply here population growth formula that is
total population P = initial population × ..............1
here r is rate of growth and t is time period and
we consider here initial population is current population
so put value in equation 1 to get t
29000000000 = 4118000 ×
take ln both side
ln 7042.25 = ln
8.8596 = 0.034 t
t = 260.57
so time period is 260.57 years
Ответ:
maybe 18-
Step-by-step explanation:
not really sure