Bsr
D =
[tex] \frac{2 {}^{ - 3} }{5 {}^{ - 2} } [/tex]
D =
[tex] \frac{1}{5 {}^{ - 2} \times 2 {}^{3} } [/tex]
D =
[tex] \frac{5 {}^{2} }{2 {}^{3} } [/tex]
D =
[tex] \frac{25}{2 {}^{3} } [/tex]
D =
[tex] \frac{25}{8} [/tex]
___________________________
E =
[tex]( \frac{3}{2 {}^{2} }) {}^{2} [/tex]
E =
[tex]( \frac{3}{4} ) {}^{2} [/tex]
E =
[tex] \frac{9}{16} [/tex]
___________________________
F =
[tex](2 {}^{4} \times 5 {}^{2}) {}^{2} [/tex]
F =
[tex](16 \times 5 {}^{2} ) {}^{2} [/tex]
F =
[tex](16 \times 25) {}^{2} [/tex]
F =
[tex]400 {}^{2} [/tex]
Voilà !
