57× 34 = 5 × ( 3)7 × 5 = 1528 ...

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Integration of the French and Portuguese Colonies

Multiply:57 b...

Question

Multiply:

$\frac{5}{7}$ by $\frac{- 3}{4}$

\frac{15}{29}

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\frac{29}{15}

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\frac{- 15}{28}

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\frac{- 16}{31}

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Solution

The correct option is C $\frac{- 15}{28}$
$\frac{5}{7} \times \frac{- 3}{4} = \frac{5 \times (- 3)}{7 \times 5} = \frac{- 15}{28}$

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