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Write as a fraction (5z) to the power of -3

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45z to the power of 3?

Guest Jun 12, 2017

Best Answer 

 #2
avatar+7155 
+1

Is          (5z)-3   =   \(\frac1{45z^3}\)          ?

 

 

\((5z)^{-3}\,=\,\frac1{(5z)^3}\,=\,\frac1{5^3z^3}\,=\,\frac1{125z^3}\)

 

 

So....    (5z)-3   =   \(\frac1{125z^3}\)       smiley

hectictar  Jun 12, 2017
 #1
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Your question is not clear!.

Guest Jun 12, 2017
 #2
avatar+7155 
+1
Best Answer

Is          (5z)-3   =   \(\frac1{45z^3}\)          ?

 

 

\((5z)^{-3}\,=\,\frac1{(5z)^3}\,=\,\frac1{5^3z^3}\,=\,\frac1{125z^3}\)

 

 

So....    (5z)-3   =   \(\frac1{125z^3}\)       smiley

hectictar  Jun 12, 2017

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