[填空题]
Calculate the percent error made over o k1b8gs c6neh )x+zmh+hpcaaf5xb 82 8ne8p5cv(je5scbwm-g9 oj +cv: w mile of distance by the “5-second rule” for esc(jm j5-b: wg 8w5cep+vcs ov9timating the distance from a lightning strike if the temperature is (a) 30 $^{\circ} $ C, $\approx$ % (b) 10 $^{\circ} $ C$\approx$ %.