Texas HS Precalculus Question of the Day

Daily challenge for Texas HS Precalculus. Test yourself and track progress.

Sound intensity (decibels): Sound level is modeled by $L = $10\log_{10}$!\left(\d$\frac{I}{I_0}$\right)$. If the sound level is $85$ dB, what is $\d$\frac{I}{I_0}$$?

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