$"33.$ Ib lub tuam txhab pib ua haujlwm tau ceev ceev cov ntaub ntawv ntawm lub sijhawm uas yuav tsum tau ua los tsim nws cov khoom; ib tug shutoff valve siv nyob rau hauv YZ$03$ roj av pipelines. Tus naj npawb ntawm Cov Sijhawm Yuav Tsum Tau Ua Rau Chav Ua Haujlwm Ntxiv $503\mathrm{.}31004006001,00010,0002\mathrm{.}21\mathrm{.}00\mathrm{.}80\mathrm{.}50\mathrm{.}2$ a$.$ Sau cov logarithms ntawm cov lej hauv txhua kab. $($Siv cov ntaub ntawv ntuj.$)$ b$.$ Graph the In$($teev$)$ tawm tsam In$($cumulative units$)$ thiab eyeball ib txoj kab ncaj nraim ntawm cov ntaub ntawv. Siv koj li kwv yees haum, kwv yees a thiab b$.$ c$.$ Siv cov txiaj ntsig ntawm ntu $($b$),$ kwv yees lub sijhawm xav tau los tsim thawj chav tsev thiab qhov feem pua $$ntawm kev kawm nkhaus uas haum rau cov ntaub ntawv no$.$ d$.$ Rov ua ntu $($b$)$ thiab $($c$),$ tab sis siv qhov tsawg kawg nkaus squares haum ntawm logarithms

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