Answer
$10w^{5}z^{4}$.
Work Step by Step
The given expression is
$=5w^3z(2w^2z^3)$
Use the product rule to add exponents.
$=5\cdot 2w^{3+2}z^{1+3}$
Simplify.
$=10w^{5}z^{4}$.
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