Answer:
\(\frac{21}{32}\)
Step-by-step explanation:
Given expression,
\((-\frac{7}{8})(-\frac{3}{4})\)
\(=\frac{-7}{8}\times \frac{-3}{4}\) \((\because -\frac{a}{b}=\frac{-a}{b})\)
\(=\frac{-7\times -3}{8\times 4}\) ( Multiplication of fractions )
\(=\frac{21}{32}\)
Third option is correct.