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.
Suppose we wanted to round off 838.274. Depending on which place value we're rounding to, the final result can vary. 1  Round to the nearest hundred (8 38.274) is 800. 2  Round to the nearest ten (8 3 8.274) is 840. 3  Round to the nearest one (83 8 .274) is 838. 4  Round to the nearest tenth (838. 5  Round to the nearest hundredth (838.2 7 4) is 838.27.