The population of the world was 7.1 billion in 2013, and the observed relative growth rate was 1.1% per year.
(a) Estimate how long it takes the population to double. (Round your answer to two decimal places.)
_______yr
(b) Estimate how long it takes the population to triple. (Round your answer to two decimal places.)
________yr
3 answers
(a) find t where 1.011^t = 2
7.26
a=63.01