1. Выполняем действия, используя свойства степеней:
a) (x^2 cdot x^9 = x^{2+9} = x^{11})
б) (x^{11} : x^5 = x^{11-5} = x^6)
в) (x^{10} : x^{10} = x^{10-10} = x^0 = 1)
г) ((x^8)^5 = x^{8 cdot 5} = x^{40})
д) ((x^4)^6 cdot x^3 = x^{4 cdot 6} cdot x^3 = x^{24} cdot x^3 = x^{24+3} = x^{27})
е) (rac{x^{13} cdot x}{x^{10}} = rac{x^{13+1}}{x^{10}} = rac{x^{14}}{x^{10}} = x^{14-10} = x^4)
ж) (x^8 cdot (x^2)^3 = x^8 cdot x^{2 cdot 3} = x^8 cdot x^6 = x^{8+6} = x^{14})
з) ((2x)^6 = 2^6 cdot x^6 = 64x^6)
и) ((3ab^5)^4 = 3^4 cdot a^4 cdot (b^5)^4 = 81a^4b^{5 cdot 4} = 81a^4b^{20})
к) ((\frac{a}{4})^3 = \frac{a^3}{4^3} = \frac{a^3}{64})
л) ((\frac{4a^3}{3b^7})^3 = \frac{(4a^3)^3}{(3b^7)^3} = \frac{4^3 cdot (a^3)^3}{3^3 cdot (b^7)^3} = \frac{64a^9}{27b^{21}})