Answer
Choice A
Work Step by Step
The given expression, $
\dfrac{5}{\dfrac{2}{a}}
,$ is equivalent to
\begin{array}{l}\require{cancel}
5\div\dfrac{2}{a}
\\\\=
\dfrac{5}{1}\div\dfrac{2}{a}
.\end{array}
Hence, $\text{
Choice A
}.$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.