What is 8 2/5 as a decimal number

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол