by what number should (3/7)^-3 be divided so that the quotient is (81/49)^-2
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Answer:
243/7
Step-by-step explanation:
(3/7)^-3/x=(81/49)^-2
(7/3)^3/x=(49/81)^2
7/3*7/3*7/3*81/49*81/49=x
243/7=x
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