Fifth partial sum of exponential series :
\The power series representing
is called the exponential series and is given by
Which is convergent for all values of
.
The population density
per square meter of zebra mussels in the Upper Mississippi
River can be modeled by
.
The exponential is
.
When
:
.
\
When
:
.
\
General year has
weeks. \ \
When
:

The zebra mussel population density after
is
.
The zebra mussel population density after
is
.
The zebra mussel population density after
is
.