SOLUTION: This a teacher made up question is from my book: Simplify the expression: (3x to the negative 4 power yz to the negative 7 power)(3x)to the negative 3 power. Can you please help

Question 180176: This a teacher made up question is from my book: Simplify the expression:
(3x to the negative 4 power yz to the negative 7 power)(3x)to the negative 3 power. Can you please help??
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Simplify the expression:
(3x to the negative 4 power yz to the negative 7 power)(3x)to the negative 3 power.
----
(3x^-4yz^-7)(3x)^-3
= (3y/x^4z^7)(1/3x)
Multiply the numerators and the denominators and cancel factors that are common:
= (y/x^5z^7)
=================
Cheers,
Stan H.
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