math

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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

• math -

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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