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.
http://www.jiskha.com/display.cgi?id=1254493221 
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.
Respond to this Question
Similar Questions

math
A 24inch piece of string is cut into two pieces. One piece is used to form a circle and the other is used to form a square. How should the string be cut so that the sum of the areas is a minimum? 
8th grade  science
the length of a string is known to be exactly 9.84cm. 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 … 
8th grade  science
i have the same problem as before,only 3 more questions about it. please help!! how precise is the ruler originally used to measure the string? 
8th grade physical science
A student measured the mass of an object and obtained the following results: 10.1 g, 11.0 g, and 10.5 g. The actual mass of the object was 10.6 g. a. What should the student report as the mass of the object? 
math
Mrs. Gainey needs to buy string for 5 students to do a science activity. Each student needs 2 feet of blue string and 1 foot of red string. How many yards of string does Mrs. Gainey need to buy? 
math
Gary has a length of string for making a yoyo that is fiftyseven and onehalf inches long. He wants to cut that in half to get the proper length. Which expression can be used to find the length of each piece of string? 
chemistry URGENT
I need someone to check my answers to make sure that I have the correct answers. (3 Part Question) Two students each measure the density of a quartz sample three times: Student A Student B 3.20 g/mL 2.82 g/mL 2.58 g/mL 2.48 g/mL 2.10 … 
math
Dino used three pieces of string to make a model of a triangle in art class. The lengths of two of the pieces of string were 3 inches and 8 inches. Which could be the length in inches of the third piece of string Dino used? 
math
For an art project, Marco cuts a 12 and two thirds ft piece of string into 8 equal pieces. How long is each piece? 
MATH HELP CHECK ANSWER
Dino used three pieces of string to make a model of a triangle in art class. the lengths of two of the pieces of string were 3 inches and 7 inches. which could be the length in inches of the third piece of string dino used?