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If \(x\) and \(k\) are both integers, \(x > k,\) and \(x^{-k} = 625\), what is \(x?\)
(1) \(|k|\) is a prime number.
(2) \(x + k > 20 \)
Answer: A
Source: Manhattan GMAT
(1) \(|k|\) is a prime number.
(2) \(x + k > 20 \)
Answer: A
Source: Manhattan GMAT
