In Excel, you have the formula $"=2+2"$ in Column C$,$ Row $1,$ but you want to copy that formula all the way down to Row $10.$ Please select all the ways you can do so$.$ Keep in mind that you need to select all the ways to do it$,$ not just the best$/$easiest$.$

$Ctr+C$ or $Cmd+C$ the formula from Row $1$ then $Ctr+V$ or $Cmd+V$ in Row $2,$ then in Row $3,$ etc.

Type $"=2+2"$ in each cell from Row $2$ to Row $10.$

Double$-$click the top of Column C$,$ between Column C and Column D$.$

Move your mouse to the bottom right of the cell in Column C$,$ Row $1,$ until you see a small black cross, then click the mouse and drag to Row $10.$