Given that the following script:

$x=9876\mathrm{.}54321$;

fprintf$(\text{'}$The variable $x=q,$ x$)$

What is the required specifier in fprintf$()$ function that yeilds the following output?

The variable $x=9\mathrm{.}877e+03$

$\%\mathrm{.}3f$

$\%10\mathrm{.}3$e

$\%\mathrm{.}3e$

$\%10\mathrm{.}3$f