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In $11-38,$ evaluate each expression in the set of real numbers.$$\sqrt{x^{6}}, x \geq 0$$
$x^{3}$
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Chapter 3
REAL NUMBERS AND RADICALS
Section 2
Roots and Radicals
Whole which of Numbers
Fractions and Mixed Numbers
Decimals
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In $11-38,$ evaluate each …
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where were asked you very the square root of X to the sixth. Well, Exodus Sixth can be written as X to the third squared. Since we're taking the square root, we should try toe right, our expression as a perfect square. So ext of the third to the second is extra the sixth. So this allows us to cancel our perfect square with a square root. And this is X to the third so scared of exit. The sixth is except the third little going us for you here. Another way to see this is thinking of Skerritt of X to the sixth as being equal to X to the sixth to the 1/2 The power of 1/2 is the same thing as square rooting and power to a power we multiply our powers So six times 1/2 is three. So that's worried of acts of the sixth again is X to the third
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