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

Simplify each radical expression. Assume all variables

represent positive real numbers

ãa^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(a^{10})

= a^{10/2}

= a^{5}

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