Your answers are correct. What's the problem?. (4/2)(1/2)=1. That's right.
For these questions you are supposed to write an equivalent expression using exponents:
(i don't know how to do this in computer talk so bear with me!!)
the square root of the square root of x^4
for this i thought the answer was:
the answer in the book is
ummm... how is the answer X????
The cube root of the square root of x^6
Obviously i'm missing something.....