\textbf{$$n$$~}is the answer to~$4^{2}\div2$.  \textbf{$$n=$$}~\uline{~~~~~~~~~~}~ 
Overseas Competition->Knowledge Point->Calculation Modules->Power->Understanding the meaning of Power Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division->Mixed Operations of Multiplication and Division of Whole Numbers