SOLUTION: what is the 4th root of (7a)^4?
Algebra.Com
Question 536203: what is the 4th root of (7a)^4?
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!
= |7a| or 7|a| but you must put absolute value bars
around it in case "a" is a negative number. Even-index roots written as
radicals never represent negative numbers.
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