what is 1024^(2/5) simplified to?

In the exponent  2/5,  the 2 means to square the number and the 5 means find the fifth root (these can be done in either order).

1024^2  =  1 048 576  and the fifth root of  1 048 576  is  16

the fifth root of  1024  is  4  and  4^1  =  16

1024^(2/5) =

[1024^(1/5)]^(2) =

4^2 =

16