For a reference sound pressure of $2 \times 10^{-5} \mathrm{~N} \mathrm{~m}^{-2},$ the sound level measured at the operator's workspace of a tractor was $80 \mathrm{~dB}$. If the RMS sound pressure is increased by eight times, the resulting sound pressure level in $\mathrm{dB}$, will be_____________

For a reference sound pressure of $2 \times 10^{-5} \mathrm{~N} \mathrm{~m}^{-2},$ the sound level measured at the operator's workspace of a tractor was $80 \mathrm{~dB}$. If the RMS sound pressure is increased by eight times, the resulting sound pressure level in $\mathrm{dB}$, will be_____________

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