How do I solve this exponential equation problem?
Please see the explanation.
The first question asks for
The second question asks for
For the third question, the population equal to 2 billion translates into setting
The year will be
3) The year will be 2052.
Plug in values:
1) The problem asks about the year 2013, which is
2) The year 2020 is
3) Set 2 billion people equal to
The year will be 2052.
Note: If you have only a scientific calculator that can perform logarithms on only base