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If \(r, s,\) and \(t\) are all positive integers, what is the remainder of \(\dfrac{2^p}{10},\) if \(p = rst?\)

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If \(r, s,\) and \(t\) are all positive integers, what is the remainder of \(\dfrac{2^p}{10},\) if \(p = rst?\)

by Vincen » Mon Feb 15, 2021 7:38 am

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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
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