James is applying for a French driver's license. His height is $5ft$ and $11in.$ What is his height in $cm?$

An Alaska jet flew from Yakima Air Terminal to Seattle$-$Tacoma Airport at the speed of $925k\frac{m}{h}r,$ what is this speed in $m\frac{i}{s}?$

A doctor injected a patient with $3\mathrm{.}25{10}^{6}ng$ of thyroid hormone. How many $Mg$ of thyroid hormone was injected?