[填空题]
The radius of a balloon is measured t4k(yzl27tg46b xziwp t d1ug;u3wy ws)/aj,i o be $20.0 \pm 1.0 \; cm$. What is the percentage uncertainty in the calculated volume of the balloon? % (Remember to keep three significant figures and exclude the $\%$ symbol with your answer and treat the balloon as a sphere)
参考答案: 15.0
本题详细解析: The uncertainty in the radius is 5%. Voluykfc pduya nev8)62 i7wse hg)0.)bu3me is calculated by raising a linear dimension to the power of three. Hence the percentage uncertainty in the volume will be three times that of the percent uncertainty of the radius which gpb7 eiu20 vewfcd))hu 8say. )ky3n6 is 15%
