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.
Solved Examples. 1  Question 1: Find the area of Heptagon to nearest tenth with a side length of 16 cms. 2  Question 2: Find the area of a regular Heptagon with a radius of 10cms to the nearest hundredth.