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
.