Question

-81b^6c^3 : (3b^2c)^4

Answer 1

-81b^6c^3 : (3b^2c)^4= $frac{ 3^{4} * b^{6} *c^{3} }{3^4*b^{8} * c^{4} } = frac{1}{b^{2} *c}$