Question 205589
Simplify: (3 times the square root of 5)^3 
{{{(3sqrt(5))^3}}}
= {{{27sqrt(125)}}}
= {{{27sqrt(25*5)}}}
= {{{135sqrt(5)}}}
That's not one of the choices. Is this what you meant? {{{(3sqrt(5))^3}}}
Or was it (cube root of 5)^3 ?