Answer
$8a^6b^9$
Work Step by Step
RECALL:
(i) $(a^m)^n = a^{mn}$
(ii) $(ab)^m = a^mb^m$
Use the rules above to obtain:
$=2^3(a^2)^3(b^3)^3
\\=8a^{2(3)}b^{3(3)}
\\=8a^6b^9$
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