[填空题]
A student measures a length fiv:pry1c r;6gbh): qeay/t oy gp2 z)f5ae times. :6ky h qmglh2nh;yn7f3gqex-hva; gz 09 2(jkAll 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