Question

help, помогите. Даю 15б​

Answer 1

$2a^{-7}*3a^{5}=2*3*a^{-7+5}=6a^{-2}$

$10m^{2}*\frac{1}{5} *m^{-3}=2m^{2+(-3)}=2m^{-1}$

$\frac{6x^{-15}}{4x^{-5}} =1.5x^{-15-(-5)}=1.5x^{-10}$

$\frac{24y^{9}}{18y^{-6}} =\frac{4}{3} y^{9-(-6)}=\frac{4}{3} y^{15}$