simplify : do in step
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1
Answer:
hudhfbrhchbd dncjytdhsb c
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28
(6^-1 ✖️ 3^-2) / 7^-2
= (1/6 ✖️ 1/3²) / (1/7²)
= (1/54) ✖️ 49
=(49/54)
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