(4/7) ^-5 x(7/4) ^-7
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Answer:
The answer is (4/7) ^-5 x(7/4) ^-7 = 16/49
Step-by-step explanation:
(4/7) ^-5 x(7/4) ^-7
=(4/7)^-5 × (4/7)^7
=(4/7)^(7-5)
=(4/7)^2=16/49
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