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Step-by-step explanation:
Q - 9-) Simplify
¹) [(2/3)²]³ × (2/3)^-4 × 3^-1×1/6
=> [4/9]³ × (3/2)⁴ × 1/3 × 1/6
=> 64/729 × 81/16 × 1/18
=> 4/81 × 9/1 × 1/18
=> 4/9 × 1/18
=> 4/162
Q- 10) find the reciprocal of :-
1)- (1/2)^-2 ÷ (2/3)^-3
=> 2² ÷ 3/2³
=> 4 × 4/9
=> 16/9
reciprocal of 16/9 = 16/9^-1 or 9/16
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