7
Find the product of _m²n,
32
gm²n, -m
-mn³, 14mn².
49

Answer: A
Step-by-step explanation:
[tex]\left(\frac{7}{8} \right)\left(-\frac{32}{49} \right)(14)(m^{2}n)(mn^{3})(mn^{2})=\boxed{8m^{4}n^{6}}[/tex]