1-1st Six Weeks-RPR Multiplying Decimals uiz Active 1 2 3 4 5 6 7 8 TIME 3 Which estimation technique will yield a solution that is closest to the actual product of 6-21.06)(-30.45)? O front-end estimation O rounding to the nearest tenth O rounding to the nearest whole number O compatible numbers​

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.