SOLUTION: Hello . I have two examples of simplifying fractional exponents but i dont understand why my teacher got two diffferent answers for if both have 3/2 for example 8^3/2 she got

Algebra ->  Exponents -> SOLUTION: Hello . I have two examples of simplifying fractional exponents but i dont understand why my teacher got two diffferent answers for if both have 3/2 for example 8^3/2 she got       Log On


   

Question 718480: Hello . I have two examples of simplifying fractional exponents but i dont understand why my teacher got two diffferent answers for if both have 3/2 for example
8^3/2 she got 16 sqrt 2 and for
36^3/2 she did it differently and got 216.
why are these done differently .can someone explain to be throughly.Thanks i need to get this concept

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
Both are correct, the first would come out with a decimal 22.627.
16sqrt2=22.627
The second one comes out even.