$7\mathrm{.}3$ Convert as indicated giving the answer using proper significant figures.

$($a$)9\mathrm{.}72ft$ to millimeters

$($b$)65\mathrm{.}4f{t}^2$ to L

$($c$)255K$ to degrees Rankin

$($d$)7595$ bushels to cubic meters

$($e$)105250Bt\frac{u}{h}$ to kilowatts