[填空题]
The lengths of the svnkwelgi 0vbt;+jck7)/ 0 c i8 o)+. k9)b2csx qeoudsides of a room are estimated as $10.0 \mathrm{~m}, 4.0 \mathrm{~m}$ and $3.0 \mathrm{~m}$, each with an uncertainty of $\pm 10 \%$. What is the absolute uncertainty in the volume of the room? $m^3$ (Give your answer in $\mathrm{m}^3$ to two significant figures, without a unit.)
参考答案: 36
本题详细解析: The volume of the room ip5ncszx:)9a f s $120 \mathrm{~m}^3$, by multiplying the three lengths together. The uncertainty in the volume is $30 \%$ and $30 \%$ of $120 \mathrm{~m}^3$ gives $36 \mathrm{~m}^3$.
