simplify with positive exponents: [(9/11)-³×(9/11)power is -7] ÷(9/11)-³
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Answer:
(⁹/₁₁)⁻⁷
Step-by-step explanation:
[(⁹/₁₁)⁻³× (⁹/₁₁)⁻⁷] ÷ (9/11)⁻³
⇒ [(⁹/₁₁)⁻¹⁰] ÷ (⁹/₁₁)⁻³
⇒ [(⁹/₁₁)⁻¹⁰] * (⁹/₁₁)³
⇒ (⁹/₁₁)⁻¹⁰⁺³
⇒ (⁹/₁₁)⁻⁷
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