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MAA AMC
AMC 12/AHSME
2018 AMC 12/AHSME
7
7
Part of
2018 AMC 12/AHSME
Problems
(1)
Extended Log
Source: 2018 AMC 12B #7
2/16/2018
What is the value of
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3
7
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9
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25
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27
?
\log_37\cdot\log_59\cdot\log_711\cdot\log_913\cdots\log_{21}25\cdot\log_{23}27?
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27
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<span class='latex-bold'>(A) </span> 3 \qquad <span class='latex-bold'>(B) </span> 3\log_{7}23 \qquad <span class='latex-bold'>(C) </span> 6 \qquad <span class='latex-bold'>(D) </span> 9 \qquad <span class='latex-bold'>(E) </span> 10
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AMC
AMC 12
AMC 12 B