Question 7: Perform the calculation \(\frac{\left(3 a^{2} b\right)^{3}\left(-2 ab^{3}\right)^{2}}{\left (a^{2} b^{2}\right)^{4}}\).
\(\frac{\left(3 a^{2} b\right)^{3}\left(-2 ab^{3}\right)^{2}}{\left(a^{2} b ^{2}\right)^{4}}=\frac{-6 a^{8} b^{9}}{a^{8} b^{8}}=-6 b\)
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