math
posted by sarah .
5 people measured a metal bar using the same measuing instrument,but each read the scale to a different level of accuracy.their 5 answers are show below.4 of them are correct(to the chosen level of accuracy),but one is not.which is the odd one out?1)244mm 2)243mm 3)243.7mm 4)243.69mm 5)243.692mm

round each one off to the nearest mm
"one of these things is not like the other"  do you remember Sesame Street?
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