Ex 6.
a)
[tex]( \frac{3}{2})^{7} \times ( { \frac{3}{2} )}^{15} = ( \frac{3}{2} )^{22} = \frac{ {3}^{22} }{ {2}^{22} } [/tex]
b)
[tex]( \frac{7}{3} )^{8} \times ( { \frac{7}{3} )}^{11} = ( { \frac{7}{3}) }^{19} = \frac{ {7}^{19} }{ {3}^{19} } [/tex]
c)
[tex] = ( { \frac{2}{5}) }^{25} = \frac{ {2}^{25} }{ {5}^{25} } [/tex]
Ex 7.
a)
[tex] = ( { \frac{2}{5}) }^{20} = \frac{ {2}^{20} }{ {5}^{20} } [/tex]
b)
[tex]( \frac{3}{7} ) {}^{21} = \frac{ {3}^{21} }{ {7}^{21} } [/tex]
c)
[tex]( \frac{4}{3} ) {}^{14} = \frac{ {4}^{14} }{ {3}^{14} } [/tex]
