Question 608287
{{{ 
    sqrt(729 ) ) 
}}}
{{{ 
    sqrt(27*27 ) ) 
}}}
= 27
27 is the square root of 729
and in radical form it is 
{{{ 
    sqrt(27 ) ) 
}}}
and simplifying
{{{ 
    sqrt(3*3*3 ) ) 
}}}
3*{{{ 
    sqrt(3 ) ) 
}}}