## Intermediate Algebra for College Students (7th Edition)

$-\dfrac{3}{35}$
The product of two numbers with opposite signs is negative. Thus, $\require{cancel} (\frac{2}{7})(-\frac{3}{10}) \\=-\frac{2(3)}{7(10)} \\=-\frac{\cancel{2}(3)}{7\cancel{(10)}5} \\=-\frac{3}{35}$