a) [tex]7^{2}*7^{6} = 7^{8}[/tex]
[tex]0,2^{5} * 0,2^{9} = 0,2^{14}[/tex]
[tex](\frac{4}{7})^{3} *(\frac{4}{7})^{10} = (\frac{4}{7})^{13}[/tex]
b) [tex]5^{8} : 5^{6} = 5^{2}[/tex]
[tex]1,2^{10} :1,2^{7} = 1,2^{3}[/tex]
[tex](\frac{5}{6})^{13} : (\frac{5}{6}) ^{10} =(\frac{5}{6})^{3}[/tex]
