Question

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Answer 1

$a) - 6 {a}^{5} {b}^{5}$
$b) - 27 {a}^{9} {b}^{6}$

Answer 2

$3a^{2} b \times ( - 2^{3} b^{4} )$
$- 6a^{5} b^{5}$
-29а(^9)b(^6)