<PRE><B>Question 120775</B>
Question:


Determine whether -4th root of 16 is rational or irrational.



Hope your question is 4th root of 16( you have written -4th root)



16 can be written as, 

16 =  2*2*2*2 or


{{{ 16 = 2^4}}}


4th root of 16 is = 2, which is a rational number.


Hope you found it useful.


If there is any change in the question, please post the correct question again.




Regards.


Praseena.


</PRE>