Answer
$\frac{10}{7}b^6$
Work Step by Step
$\dfrac{20a^2b^8}{14a^2b^2}=\frac{20}{14}a^{(2-2)}b^{(8-2)}=\frac{10}{7}a^0b^6=\frac{10}{7}(1)b^6=\frac{10}{7}b^6$
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