Question 200046
{{{2/sqrt(10)}}} Start with the given expression.
 


{{{(2/sqrt(10))(sqrt(10)/sqrt(10))}}} Multiply the numerator and denominator by {{{sqrt(10)}}}



{{{(2*sqrt(10))/(sqrt(10)*sqrt(10))}}} Combine the fractions.



{{{(2*sqrt(10))/(10)}}} Multiply



{{{sqrt(10)/5}}} Reduce



So {{{2/sqrt(10)=sqrt(10)/5}}}