SOLUTION: i dont understand radicals at all. i need to rewrite exponential expressions as a radical. the one i am stuck on now is (-3x)^3/5. if you could help me please do.

Question 271037: i dont understand radicals at all. i need to rewrite exponential expressions as a radical. the one i am stuck on now is (-3x)^3/5. if you could help me please do.
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
we start with

step 1 - the numerator is the power of the base and the denominator is the index number. we get

and then

finally

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