ahmad wrote two numbers. The first number has a 7 in its tenth place. The second number has a 7 with a value that is 1000 time greater than the value of the 7 in the first number. In which place is the 7 in the second number?

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307