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题库 / GMATLA-PS-68
For a nonnegative integer n, if the remainder is 1 when 2n is divided by 3, then which of the following must be true?
I. n is greater than zero.
II. 3n = (-3)n
III. ~$\sqrt{2^{n}}$~ is an integer.
I only
II only
I and II
I and III
II and III
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(2^n)/3, if n is odd, then the reminder is 2, if n is even then the reminder is 1.
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