b ) [tex] \sqrt{ \frac{9}{100} } = \sqrt{ (\frac{3}{10} } ) ^{2} = \frac{3}{10} [/tex]
c) [tex] \sqrt{\frac{225}{100} } = \sqrt{ (\frac{15}{10} } ) ^{2} = \frac{15}{10} [/tex]
d) [tex]\sqrt{\frac{144}{100} } = \sqrt{ (\frac{12}{10} } ) ^{2} = \frac{12}{10} [/tex]
e)[tex]\sqrt{\frac{576}{100} } = \sqrt{ (\frac{24}{10} } ) ^{2} = \frac{24}{10} [/tex]