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If \(x, y,\) and \(z\) are integers and \(2^x \times 5^y\times z=6.4\times 10^6,\) what is the value of \(xy?\)

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If \(x, y,\) and \(z\) are integers and \(2^x \times 5^y\times z=6.4\times 10^6,\) what is the value of \(xy?\)

by VJesus12 » Sun Jun 14, 2020 7:49 am

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If \(x, y,\) and \(z\) are integers and \(2^x \times 5^y\times z=6.4\times 10^6,\) what is the value of \(xy?\)

(1) \(z = 20\)
(2) \(x = 9\)

[spoiler]OA=A[/spoiler]

Source: Manhattan GMAT
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