QUESTION $2$

$1$ micrometer $(m)=$ millimeter $(mm)=$ inch $(in)=$ meter $(m)$

$1{10}^{-3}$;$4{10}^{-5}$;$1{10}^{-6}$

$A.1{10}^{-2}$;$4{10}^{-4}$;$1{10}^{-5}$

$1{10}^{-3}$;$4{10}^{-3}$;$1{10}^{-4}$

D$.$ None of Above