Homework Help: algebra

Posted by Melissa on Friday, July 24, 2009 at 1:51pm.

Simplify each radical expression. Assume all variables
represent positive real numbers

√a^10

algebra - Melissa, Friday, July 24, 2009 at 2:00pm
again when I post it does not read right.

it is sqrt a^10
algebra - MathMate, Saturday, July 25, 2009 at 9:44am
One of the rule of exponents tells us that the square root of a number a raised to an exponent n is the same number raised to an exponent of n/2.
Thus the square-root of a² is a^2/2 = a¹
In the particular example given,
sqrt(a¹⁰)
= a^10/2
= a⁵

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