1.
а)-1,5a^2 при a=2; 0; -1
-1,5*4=9; -1,5*0=0; -1,5*1=-1,5
б)5y^3 при y=(-10); 0; 2; 8
5*(-1000)=-5000; 5*0=0; 5*8=40; 5*512=2560
2.
a)-b^3*3b^2=-3b^5
б)8x^2*(-3/4y)=-6x^2y
в)3/4xy^2*16y=16xy^3
г)-x^3y^4*1.4x^6y^5=-14x^9y^9
3.
a)-20x^4*0.5xy^2*(-0,3x^2y^3)=10,3x^7y^5
б)12x^2y^2*(-0,75xy^2z^2)*(-0,1x^2yz^2)=0,9x^5y^5z^4
4.
a)7,5a*4c^2=30ac^2
б)8a^2b^4*(-a^3b^2)=-8a^5b^6
5.
a)(5x^5y^3)^3=125x^8y^6
б)(-1/3xy)^4=1/81x^4y^4
в)(-10x^2y^6)^3=-1000x^5y^9
г)-(-a^3b^2c)^4=a^7b^6
6.
1/9a^6*1/9a^6=1/81a^12
0,16a^4b^10*0,16a^4b^10=0,0256a^8b^20
0,008x^9*0,008x^9*0,008x^9=0,512x^27
-27a^3b^12*(-27a^3b^12)*(-27a^3b^12)=-73629a^9b^36
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