Chapter 9 - Basic Algebra - 9.3 Multiplying and Dividing Signed Numbers - 9.3 Exercises: 28

$\frac{7}{12}$

Work Step by Step

$(-\frac{7}{9})(-\frac{3}{4})=-\frac{7}{9}\times-\frac{3}{4}=\frac{7\times3}{9\times4}=\frac{21}{36}=\frac{7}{12}$ The signs of both numbers are the same, so the resulting product will be positive.

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