PDF chapter test TRY NOW

While measuring the length of a knitting needle, the reading of the scale at one end is 3.0\ cm and at the other end is 33.1\ cm. What is the length of the needle?
 
[NOTE: Enter the answer up to one decimal place.]
 
Reading at one end A =  cm
 
Reading at the other end B =  cm
 
Correct reading =
 
The length of the needle is  cm.