Answer
$\approx 10.77$ units
Work Step by Step
Use the distance formula $d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$ to obtain:
$d=\sqrt{(4-(-6))^2+(-1-3)^2}
\\d=\sqrt{(4+6)^2+(-4)^2}
\\d=\sqrt{10^2+16}
\\d=\sqrt{100+16}
\\d=\sqrt{116}
\\d \approx 10.77$