SOLUTION: Hi I need help with this problem z to the 2 thirds - 49 over 64 = 0 I'm to the point where I have 49 over 64 parenthesis to the 3rd all under a square root sign. I'm not sure

Algebra ->  Radicals -> SOLUTION: Hi I need help with this problem z to the 2 thirds - 49 over 64 = 0 I'm to the point where I have 49 over 64 parenthesis to the 3rd all under a square root sign. I'm not sure      Log On


   

Question 263543: Hi
I need help with this problem
z to the 2 thirds - 49 over 64 = 0
I'm to the point where I have 49 over 64 parenthesis to the 3rd all under a square root sign. I'm not sure how to finish from this point.
Thanks
Rachel
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Remember that sqrt%28x%5Em%29=%28sqrt%28x%29%29%5Em where 'x' is positive.


So this means that z=sqrt%28%2849%2F64%29%5E3%29=%28sqrt%2849%2F64%29%29%5E3


Furthermore,