A “complex number” has a real part and the imaginary part. Yes, you can definitely, express 7080 as a complex number with its real part as 7080 and it's imaginary part as 0.
\begin{align}
& 7080 \\
& =7080+i0 \\
\end{align}\
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile