Food Rheology

A fluid obeys the power law $\tau = K \dot{\gamma}^n$ with $K = 2.0\text{ Pa}\cdot\text{s}^n$ and $n = 0.5$. At shear rate $\dot{\gamma} = 100\text{ s}^{-1}$ (where $100^{0.5} = 10.0$), the shear stress $\tau = 2.0 \times 10.0$ in Pa is: