Question 134803
{{{sqrt(800)}}}
{{{sqrt(400) * sqrt(2)}}}
{{{ 20 * sqrt(2)}}}


2)

{{{sqrt(216)}}}
{{{sqrt(36)*sqrt(6)}}}
{{{6 * sqrt(6)}}}


3)
{{{7*sqrt(27)}}}
{{{7 * sqrt(9) * sqrt(3)}}}
{{{ 21 * sqrt(3)}}}