DNA analysis is the process in which genetic sequences are studied. It is used by law enforcement and medical personnel to identify a particular person or species, and even specific cancers and diseases. At one point the analysis process was very limited.
To round off to the nearest tenth, means to keep one decimal digit. (To round off to the nearest hundredth would mean to keep two digits; to the nearest thousandth, three; and so on. Now, the digit in the second decimal place is 5. Therefore add 1 to the previous digit 2.
1 An affirmative answer is all you need to know you've been blocked. 2  Ask friends offline. 3  If you're in a close-knit group of friends offline and it's one of your offline friends who seems to have blocked you, ask your friends if they know anything.