Moderate# Population Growth Model

SATSTM-CBGJ1V

In the year $1990$, the world's population was $5.3$ billion people. If the equation $P(x)=5.3(1.02)^{x}$ models the world's population for $x$ years after $1990$ and $P$ is in billions, then determine the population growth from $1997$ to $2000$.