помогите решить 1 задание

(16-1/3*6^2)^3=(16-36/3)^3=(16-12)^3=4^3=64
(-5*a^2)=(-5*(0.8*0.8))=(-5*0.64)=-3.2

x^12 * x^10=x^22
x^18 / x^13=x^5
(x^2)^5=x^10
(xy)^7=x^7*y^7
(x/3)^3=x^3/27

3800=3.8*10^3

-3a^5*4ab^6=-12a^6b^6
(-2xy^6)^4=16x^4y^24
(-3a^3b^4)^3=-27a^9b^12

6^15*6^11/6^24=6^26/6^24=6^2=36
3^11*27/9^6=3^11*3^3/3^12=3^14/3^12=3^2=9

-3*1/5*a^8*b*(1/2*a^3*b^8)^4=-3/5*a^8*b*1/16*a^12*b^32=-3/80*a^20*b^33