No.
no
To simplify 729, we need to find the largest perfect cube that divides evenly into it. The largest perfect cube that divides evenly into 729 is 9, as 9^3 = 729. Therefore, 729 can be simplified as 9^3.
No, you can't.
25 over 16.
1 over 2
Just divide by 16. -48x/16 = -3x
13 over 16
1/4
20/16 = 5/4
4/11
Yes and it is 16/40 = 2/5 simplified