Question

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Answer 1

Explicação passo-a-passo:

A)

$3 {}^{ - 2}$

$\dfrac{1}{3 {}^{2} }$

1/9

B)

$10 {}^{ - 1}$

1/10

C)

$( \dfrac{3}{4} ) {}^{ - 3}$

$( \dfrac{4}{3} ) {}^{3}$

64/27

D)

$( - \dfrac{2}{3} ) {}^{4}$

16/81

E)

$( \dfrac{4}{3} ) {}^{2}$

16/9

F)

$( \dfrac{5}{7} ) {}^{3}$

125/343

G)

$( \dfrac{2}{5} ) {}^{4}$

16/625

H)

$(5 \times 7) {}^{2}$

35²

I)

$(7 \times 4) {}^{3}$

28³

J)

$(2 \times 3) {}^{4}$

6⁴