cierrafridayp7e4bz cierrafridayp7e4bz
  • 08-06-2018
  • Mathematics
contestada

Please help!!!
Which expression is equivalent to (3m^-1n^2)^4/(2m^-2n)^3

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gmany
gmany gmany
  • 13-06-2018
[tex]\text{Use:}\\\\(a\cdot b)^n=a^nb^n\\\\(a^n)^m=a^{n\cdot m}\\\\\dfrac{a^n}{a^m}=a^{n-m}[/tex]

[tex]\dfrac{(3m^{-1}n^2)^4}{(2m^{-2}n)^3}=\dfrac{3^4(m^{-1})^4(n^2)^4}{2^3(m^{-2})^3n^3}=\dfrac{81m^{-4}n^8}{8m^{-6}n^3}\\\\=10.125m^{-4-(-6)}n^{8-3}=10.125m^2n^5[/tex]
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poopadoopa6669p0wr5q poopadoopa6669p0wr5q
  • 02-12-2019

The answer on edg is B!

Hope this helps!

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