Question

помогите срочно!!¡
$012.03$
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Answer 1

а)3^10*3^-7=3^3=27
б)x^15:x^6=x^15-6=x^9
в)(c^5)^4=c^5*4=c^20
г)(xy)^3=x^3y^3
д)(z\3)^4=z^4/3^4=z^4/81