GMAT question of the day

Each day we post a different GMAT question here for you to try.

Tip: Bookmark this page and make answering the question of the day part of your daily routine.

Type: Problem Solving

Difficulty: 3 star rating

If \(z > 0\) then which of the following is equal to \(\sqrt{27z^{5}}\) ?
\[3 z^{3}\]
\[9 z^{4}\]
\[3 \sqrt{3z}\]
\[3 z^{2} \sqrt{3z}\]
\[3 z^{3} \sqrt{3z}\]