C)
[tex]20*(-0,1)^{3} -0,1*20^{3} =20*(-0,1)(0,01+400)=-2*400,01=-800,02[/tex]
d)
[tex]9^{2} *\frac{1}{9} -(-\frac{1}{9})^{0}*(-9)^{2} =9-1*81=-72[/tex]
B)
[tex]\frac{0,2^{6}*0,2^{14} }{0,2^{5} } =0,2^{15}[/tex]
D)
[tex]\frac{(x^{0})^{10}*(x^{20})^{0} }{((x^{10}) ^{2} :x^{10})^{0} } }=\frac{1*1}{1}=1[/tex]
C)
[tex](-0,9)^{6}:9^{6} =(-\frac{\frac{9}{10} }{9})^{6} =(-\frac{1}{10})^{6} =\frac{1}{1000000}[/tex]
d)
[tex](-\frac{2}{15})^{5} :(\frac{1}{15} )^{5} =(-\frac{\frac{2}{15} }{\frac{1}{15} }) ^{5} =(-2)^{5} =-32[/tex]
c)
[tex]((\frac{1}{2})^{4})^{5} *((\frac{1}{2})^{4} )^{6} =(\frac{1}{2})^{20} *(\frac{1}{2})^{24} =(\frac{1}{2} )^{44}[/tex]
d)
[tex](0,7^{4} )^{9} :(0,7^{5} )^{6} =0,7^{36} :0,7^{30}=0,7^{6}[/tex]
