[{(3/11)^-3}]^-6 ii)[(2/3)^-1 + (2/5)^-1] ÷ (3/4)^-2
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Step-by-step explanation:
[{(3/11)^-3}]^-6
= 3/11 ^-18
= 11/3^18
2) [(2/3)^-1 + (2/5)^-1] ÷ (3/4)^-2
=3/2 ^1+ 5/2^1 ÷ 4/3 ^2
= 8/2÷16/9
=8/2× 9/16
=4× 3/4 =3
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