One year , mr james travels 9 times the third power of ten miles for his job. the next year he traveled 1 times the fourth power of ten miles. how many more miles did he travel the second year than he did the first year. explain

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.