The exponential equation that gives the number of residents in the community after 5 years is:
[tex]y(5) = 10^5[/tex]
It is modeled by:
[tex]y = ab^x[/tex]
In which:
In this problem:
Then, the equation is:
[tex]y = ab^x = 10^x[/tex]
Hence, after 5 years, the population is:
[tex]y(5) = 10^5[/tex]
More can be learned about exponential equations at https://brainly.com/question/25537936