[tex] a)\sqrt{12.25} = \frac{1225}{100} \div 25 = \frac{49}{4} = \frac{ \sqrt{49} }{ \sqrt{4} } = \frac{ \sqrt{ {7}^{2} } }{ {2}^{2} } = \frac{7}{2} ou 3.5[/tex]
[tex]e) \sqrt{0.0784} = \frac{784}{10000} \div 16 = \frac{49}{625} = \frac{ \sqrt{49} }{ \sqrt{625} } = \frac{ \sqrt{ {7}^{2} } }{ \sqrt{ {25}^{2} } } = \frac{7}{25} ou0.28[/tex]
[tex]b) \sqrt{12.96} = \frac{1296}{100} \div 4 = \frac{324}{25} = \frac{18}{5} ou3.6[/tex]
[tex]f) \sqrt{0.1024} = \frac{1024}{10000} \div 16 = \frac{64}{625} = \frac{8}{25} ou0.32[/tex]
[tex]c) \sqrt{30.25} = \frac{3025}{100} \div 25 = \frac{121}{4} = \frac{11}{2} ou5.5[/tex]
[tex]g) \sqrt{0.0729} = \sqrt{ \frac{729}{10000} } = \frac{27}{100} ou0.27[/tex]
[tex]d) \sqrt{29.16} = \frac{2916}{100} \div 4 = \frac{729}{25} = \frac{27}{5} ou5.4[/tex]
[tex]h) \sqrt{0.0324} = \frac{324}{10000} \div 4 = \frac{81}{2500} = \frac{9}{50} ou0.18[/tex]
Bons estudos :] <3
