[tex](\frac{1}{36} )^{2} =(\frac{1}{6} )^{4} \\\\8^{20} = 2x^{60} \\ \\6^{10} =36^{5}\\\\49^{21} = (7^{6})^{7}\\\\64^{16} = (8^{8})^{4}\\\\(\frac{1}{4} )^{6}=(\frac{1}{2} )^{12}[/tex]
