Matlab question

The sound pressure level (SPL, measured in units dB) of an acoustic wave is a measurement used to judge the 'loudness' of sounds. Humans will begin to feel pain if subjected to sounds with SPL 2 90dB, with permanent damage being sustained to the eardrum at SPL ? 160dB. The sound pressure level in dB is related to the sound pressure p in Pa through p = po 100.05 SPL where po = 20 uPa is the reference background pressure of air. Calculate the SPL of the following noises: a) Mosquito buzz from 3m away in a quiet room (p = 200 uPa) b) Jet engine noise from 1m away (p 112.5 Pa) c) Karen: I've walked all of Braaahton" (p = 2 kPa) 6.1) What is the sound pressure level (SPL) of mosquito as described in part (a)? Give your answer to four decimal places. A. 10.0000 dB B. 20.000 dB C. 30.000 dB D. 40.0000 dB O E. 50.0000 dB 6.2) What is the sound pressure level (SPL) of jet engine as described in part (b)? Give your answer to four decimal places. * A. 135.0025 B. 20.0000 C. 235.0025 D. 160.000 E. None is correct 6.3) What is the sound pressure level (SPL) of Karen as described in part (c)? Give your answer to four decimal places. O A. 260.0000 B. 160.0000 C. 135.0025 D. 235.0025 E. None is correct 6.4.) Which syntax is not used for coding in this question? A. log10(p_mosquito/p0)/0.05 B. log10(p_karen/p0)/0.05 C. log(p_karen/pO)/0.05 O D. CIC E. p0=20e-6