Question 376659
{{{(-3m)^2(4m^9)^2=(-3m)(-3m)(4m^9)(4m^9)=((-3)*(-3)(4)(4))(m*m*m^9*m^9)=144m^20}}}



So {{{(-3m)^2(4m^9)^2=144m^20}}}



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Jim