Question 1208436
<pre>

It depends on how you define the word "simplified".

{{{matrix(2,1,"",5*3^(4/3))}}}

requires only 4 digits to write.

Ikleyn's solution {{{matrix(2,1,"",15*3^(1/3))}}}

requires a whopping 5 digits.  <font face="wingdings" size=5>J</font>

Edwin</pre>