SOLUTION: Rational Exponents Rewrite with a ration exponent 7 ___ \/ 21 (it is the square root of 21 with a little 7 at the top of the beginning) Please help, thank you so much.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Rational Exponents Rewrite with a ration exponent 7 ___ \/ 21 (it is the square root of 21 with a little 7 at the top of the beginning) Please help, thank you so much.      Log On


   

Question 177351: Rational Exponents
Rewrite with a ration exponent
7 ___
\/ 21
(it is the square root of 21 with a little 7 at the top of the beginning)
Please help, thank you so much.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Any radical of the form can be rewritten into the exponential form


In the case of , we can rewrite it into and take note that x=21, m=1 and n=7


So we can convert to exponential notation by plugging these values into to get:





and simplify to get





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Answer:


So