Question 254880
The question was
{{{3*sqrt(27m^3) * 3*sqrt(125m^3)}}}
Step 1 - simplify 
sqrt(27) = 3sqrt(3)
sqrt(125) = 5sqrt(3)
step 2 - rewrite as
{{{9*sqrt(3) * 15*sqrt(3)}}}
and then
{{{135(3) = 405}}}