[填空题]
A student measures a length fivxdn44rlus8 rumptx(m ,c uhd54mleq ym 40 /)2e n)-h++. epbh v;z)gn p.*lx/bem kagn 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 $cm$ (Do not include the $\pm$ symbol nor the unit)
Post time 2024-8-21 21:38:19