Question Number 61706 by hhghg last updated on 06/Jun/19
$$\frac{\mathrm{7}^{\mathrm{10}} }{\mathrm{7}^{\mathrm{7}} } \\ $$
Commented by Mikael last updated on 06/Jun/19
$$\mathrm{7}^{\mathrm{10}−\mathrm{7}} \:=\:\mathrm{7}^{\mathrm{3}} \:=\:\mathrm{343} \\ $$