[填空题]
A student measures a l; 7mpohnmen m 96w7ze.1wfoqw ;..rxw ength five times. Akm y*x qp-1dnia5e8gx7f * ju3ll 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