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If \(r, s,\) and \(t\) are all positive integers, what is the remainder of \(\dfrac{2^p}{10},\) if \(p = rst?\)
(1) \(s\) is even
(2) \(p = 4t\)
Answer: B
Source: Manhattan GMAT
(1) \(s\) is even
(2) \(p = 4t\)
Answer: B
Source: Manhattan GMAT
