Answer
$\text{Descending Powers Arrangement: }
3q^4+q^2-2q+1
\\\text{Leading Term: }
3q^4
\\\text{Leading Coefficient: }
3$
Work Step by Step
The given polynomial expression, $
q^2+3q^4-2q+1
,$ has the following characteristics:
\begin{array}{l}\require{cancel}
\text{Descending Powers Arrangement: }
3q^4+q^2-2q+1
\\\text{Leading Term: }
3q^4
\\\text{Leading Coefficient: }
3
.\end{array}