[填空题]
A student measures a leng6))dg gwmvg4 npi6t, ithzufo d./ 8xh :1uap.ip:3din r 3s*rtz five times. All of the measurements lie between $18.8 \mathrm{~cm}$ 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