Question

with solutions please please​

Answer 1

Answer:

$( { \frac{3}{7}) }^{ - 2} \div {( \frac{4}{7}) }^{ - 2}$

$= { (\frac{7}{3} )}^{2} \div { (\frac{7}{4} )}^{2}$

=

$\frac{49}{9} \div \frac{49}{16}$

=

$\frac{49}{9} \times \frac{16}{49}$

Cancel 49, we get

$= \frac{16}{9}$

Answer 2

Step-by-step explanation:

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