Answer:
Hi, Hope this will help :-)
1
(4×9×8⁻¹×3⁻³)/6⁻¹ =
= (2²×3²×2⁻³×3⁻³)/2⁻¹×3⁻¹
= (2²×2⁻³×3²×3⁻³)/2⁻¹×3⁻¹
= 2⁻¹×3⁻¹/2⁻¹×3⁻¹
= 1
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