[填空题]
A student measures a length five times. 5pjle 8rzk9w9.3 jbtk0rr9 vf All of the measurements lie bep +u j21hl.oid uuj- 5j4cpd/ o:xesb/tween $18.8 \mathrm{~cm}$ and $19.2 \mathrm{~cm}$. What should the student quote as the absolute uncertainty in the length? The absolute uncertainty is $cm$ (please only input numerical value without units and without the $\pm$ symbol.)
Post time 2024-8-21 21:38:19