Human bones found on the west coast of the United States were thought to be remains of a prospector who lived in the 19^th century.The bones were subjected to carbon-14 dating.Carbon-14 has a half-life of 5715 years.Living organisms decay at a rate of 15.3 disintegrations per minute per gram of carbon.The bones had a carbon-14 decay rate of 5.13 disintegrations per minute per gram of carbon.To one significant figure the age of the bones is ________ years old,so the person ________ (did,did not)live in the 19^th century.

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The Answer of Human bones found on the west coast of the United States were thought to be remains of a prospector who lived in the 19^th century.The bones were subjected to carbon-14 dating.Carbon-14 has a half-life of 5715 years.Living organisms decay at a rate of 15.3 disintegrations per minute per gram of carbon.The bones had a carbon-14 decay rate of 5.13 disintegrations per minute per gram of carbon.To one significant figure the age of the bones is ________ years old,so the person ________ (did,did not)live in the 19^th century.

Human Bones Found on the West Coast of the United