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If m, n, and m^n are nonzero integers, which of the [#permalink]
18 Feb 2011, 11:33
38% (01:38) correct
63% (01:20) wrong based on 8 sessions
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195. If m, n, and m^n are nonzero integers, which of the following must be true? I. m^n is positive II. n^m is an integer III. m^n is an integer (A) None (B) I only (C) II only (D) III only (E) I and II only