下列等式不正确的是（　　）

A：（3a²b⁴）（2ab²）=6a³b⁶

B：${\left(-\frac{1}{2}{m}^{3}n\right)}^3{\left(-2m{n}^2\right)}^4=-2m^{13}{n}^{11}$

C：（﹣x²y）²（﹣xy³）³（﹣xy）⁴=﹣x¹¹y¹⁵

D：${\left(0.125\right)}^2{\left(0.25\right)}^3{\left(0.5\right)}^6=\frac{1}{216}$