[填空题]
The lengths of the sides of a4 (dqp s+e qo+iq.,jlq rih:dew ): gxbfuuh --v vkwu/ 3h/n)7hoom 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 6y;4g1acye6fbw9 ykjr/ut3y-2 fozv;j-sb qis $120 \mathrm{~m}^3$, by multiplying the three lengths together. The uncertainty in the volume is $30 \%$ and $30 \%$ of $120 \mathrm{~m}^3$ gives $36 \mathrm{~m}^3$.
Post time 2024-8-21 21:38:19