Question 236114
 I am supposed to multiply and simplify these cubed roots by factoring: 
3 sqrt y^13 3 sqrt 81 y^18 
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{{{(y^13)^(1/3)*(81y^18)^(1/3)}}} Cube root is exponent 1/3
= {{{(81y^31)^(1/3)}}}
= {{{(27y^30*3y)^(1/3)}}}
= 3y^10 * cube root(3y)