using your knowledge of exponential and logarithmic functions and properties, what is the intensity of a fire alarm that has a sound level of
120 decibels?
(6 = 1010g(1)
a. 1.0 x 10-12 watts/m2
b. 1.0 x 100 watts/m
c. 12 watts/m2
d. 1.10 x 102 watts/m²

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.