Question

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Answer 1

Im working on it, just wait a min :)

Answer 2

Looks like zaynahf might have this one covered.

Answer 3

For Part 3 explanation:
The INDEX is the type of root you are doing. So the index for this is 3, since it is a cube root. The radicand is the stuff under the radical sign (square root sign). The index is the denominator in a radical exponent, and the radicand's exponent is the numerator. That is how we get x^5/3

Any questions? :)