SOLUTION: Simplify and evaluate: (x^3y^-4/5x^6y^-8z^0)^3
I've been getting the answer of x^6y^8/125xy12. Please help me understand whaere I'm going wrong.
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Question 181120: Simplify and evaluate: (x^3y^-4/5x^6y^-8z^0)^3
I've been getting the answer of x^6y^8/125xy12. Please help me understand whaere I'm going wrong.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
I really can't tell where you went wrong on this.
Remember a couple of rules:
So, let's first get rid of all of the negative and zero exponents:
The
goes from the denominator to the numerator and becomes
,
goes from the numerator to the denominator and becomes
, and finally, the
just goes away because it is equal to 1.
Next apply
:
One last rule:
, so:
John

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