Answer
1.6944
Work Step by Step
Based on the change of base property for common logarithms, we know that $log_{b}M=\frac{log(M)}{log(b)}$.
Therefore, $log_{14}87.5=\frac{log(87.5)}{log(14)}=\frac{1.9420}{1.1461}\approx1.6944$.
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