[tex]zad.5\\\\a)\\\\8^{6} -5^{6} =3^{6} \\\\262144 - 15625=729\\\\246519\neq 729\\\\b)\\\\8^{6} \div 4^{6} =2^{6} \\\\2^{18} \div 2^{12} =2^{6} \\\\2^{18-12} =2^{6} \\\\2^{6} =2^{6} ~~~~rowanie ~~prawdziwe\\\\c)\\\\8^{6} +8^{6} =16^{6} \\\\2\cdot 8^{6} =(2\cdot 8)^{6} \\\\2\cdot 8^{6} \neq 2^{6} \cdot 8^{6} \\[/tex]
[tex]zad.6\\\\a)\\\\81=9^{2} =3^{4} \\\\\frac{1}{1000000} =\frac{1}{10^{6} } =\frac{1^{6} }{10^{6} } =(\frac{1}{10} )^{6} \\\\b)\\\\-64==-8^{2} =-2^{6} =-(\frac{1}{2} )^{-6}\\\\0,125=\frac{125}{1000} =\frac{1}{8} =\frac{1^{3} }{2^{3} } =(\frac{1}{2} )^{3}==2^{-3} \\\\[/tex]
[tex]zad.7\\\\a)\\\\2~700~000=2,7\cdot 10^{6} \\\\0,000085=8,5\cdot 10^{-5} \\\\[/tex]
