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Mathematics 21 Online
OpenStudy (anonymous):

multiply (-4z)^2(2z^6)^3

OpenStudy (anonymous):

128z^11??

OpenStudy (anonymous):

\[=16z^2*8z^{18}=128z^{20}\]

OpenStudy (anonymous):

ok, i added instead of multiplied the exponents

OpenStudy (anonymous):

\[(b^m)^n=b^{mn}\]

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