$(-3) \cdot\left(\frac{+14}{5}\right)$
\(\boxed{-8.4}\)
Step 1 :Calculate the fraction \(\frac{+14}{5}\):
Step 2 :\(\frac{+14}{5} = 2.8\)
Step 3 :Multiply the result by \(-3\):
Step 4 :\(-3 \cdot 2.8 = -8.4\)
Step 5 :\(\boxed{-8.4}\)