h. (12m)^2 ÷ (2m^2/4n^3) × (n^2/m^3)
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Step-by-step explanation:
(12m)^2÷(2m^2/4n^3)×(n^2/m^3)
=144m^2÷2m^2/4n^3×(n^2/m^3)
=144m^2×4n^3/2m^2×n^2/m^3
=288n^5/m^3
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