Question

Помогите решить?????!!!₴

Answer 1

$frac{0.2^5*0.2^{10}}{0.2^{12}} =frac{0.2^{5+10}}{0.2^{12}} =frac{0.2^{15}}{0.2^{12}} =0.2^{15-12}=0.2^3=0.008$