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glittergurl0101
glittergurl0101 glittergurl0101
  • 11-03-2015
  • Mathematics
Answered

Simplify:


(3y)^4 (times) y^-2

A1/2y^2
B3y^2
C1/81 y^2
D81 y^2

Verified Answer :

konrad509
konrad509 konrad509
  • 11-03-2015

\((3y)^4\cdot y^{-2}=81y^4\cdot y^{-2}=81y^{2}\)

Answer Link
Panoyin
Panoyin Panoyin
  • 11-03-2015

\((3y)^{4} * y^{-2}\)

\(((3y)(3y)(3y)(3y)) * \frac{1}{y^{2}}\)

\(81y^{4} * \frac{1}{y^{2}}\)

\(81y^{2}\)

D. 81y²

Answer Link

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