Question

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Answer 1

Answer:

(I) (1/4)^3 x (4/3)^2 =

$(\frac{1}{4} ) {3} \times ( \frac{4}{3} ) {}^{2} = \frac{1}{64} \times \frac{16}{9} = \frac{16}{576}$

(ii)

$(\frac{ - 2}{5} ) {}^{4} \times (\frac{ - 5}{4}) {}^{3} = \frac{16}{625} \times \frac{125}{64} = \frac{2000}{15000} = \frac{2}{15} .$

(iii)

$( \frac{ - 3}{7} ) {}^{3} \times (\frac{ - 7}{9}) {}^{2} = \frac{ - 27}{343} \times \frac{49}{81} = \frac{ - 1323}{27783}$

next try on ur own hope u can do now