Strict warning: No AI$.$ Urgent answer required. BV$05$

$"$:$)$ The reaction was carried out in a constant$-$volume batch reactor where the following concentration measurements were recorded as a function of time.

t $($min$)0591522304060$

CA $($mol$/$dm$3)2\mathrm{.}01\mathrm{.}61\mathrm{.}351\mathrm{.}10\mathrm{.}870\mathrm{.}700\mathrm{.}530\mathrm{.}35$

Use two methods: nonlinear least squares $($i$.$e$.,$ regression$)$ and the polynomial method to determine the reaction order, $,$ and the specific reaction rate, k$."$