Question

помогите!!!!!!!даю 50

Answer 1

$m^{10}:m^7=\frac{m^{10}}{m^7}=m^{10-7}=m^3\\\\\\n^{14}:n^6=\frac{n^{14}}{n^6}=n^{14-6}=n^8\\\\\\n^8\cdot n^3=n^{8+3}=n^{11}$