If \(n\) and \(k\) are positive integers, then how many ordered pairs \((n, k)\) satisfy \(n!+8=2^k?\)
A. 0
B. 1
C. 2
D. 3
E. Infinitely many
Answer: C
Source: GMAT Club Tests
If \(n\) and \(k\) are positive integers, then how many ordered pairs \((n, k)\) satisfy \(n!+8=2^k?\)
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