Answer:
-0.64285714285
Step-by-step explanation:
To 1 d.p. -0.6
[tex]-\frac{9}{14}[/tex]
[tex]\frac{3}{4} *(-\frac{6}{7})=\\\\-\frac{3*6}{4*7} =\\\\-\frac{18}{28}=\\\\-\frac{9}{14}[/tex]