Volume of bowl \(\frac{2}{3}\pi r^3\\ 718\frac{2}{3}=\frac{2}{3}\pi r^3\\ \frac{2156}{3}=\frac{2}{3} \times \frac{22}{7} \times r^3 ∴r^3 = \frac{2156 \times 3 \times 7}{3 \times 2 \times 22}\\ r^3 = 343\\ r = \sqrt[3]{343}\\ r= 7.0cm\)