Question
Simplify, giving Solution with positive index
$\left(5 a^2 b\right)\left(2 a b^2\right)\left(a^3 b\right)$

Answer

$\left(5 a^2 b\right)\left(2 a b^2\right)\left(a^3 b\right)$
$=5 \cdot 2 \cdot a^{2+1+3} b^{1+2+1}=10 a^6 b^4$

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