8th grade science
posted by Michaela .
the length of a piece of string is known to be exactly 9.84 cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. how precise is the ruler originally used to measure the string ? explain
See Drwls' answer from a few hours ago.
Please do not keep posting the same question.
If there's something you don't understand about an answer, please be specific about what is you don't understand.