Algebra
posted by Cassie .
Let x, y, and z be positive numbers. What is the fourth root of the expression:
16x^8 * y^4 * z^16
What is a "fourth root"?
Thank you! :)

Fourth root is the same as to the 1/4th power, just like square root is the same as to the 1/2th power.
Answer is:
16x^2 * y * z^4 
you must of course also take the fourth root of 15 which is 2, so ...
2x^2 * y * z^4 
You are right Reiny. I got a little sloppy there and missed that.
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