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It is according to the measurement markings on the instrument. If there are many, it is more likely to be exact or accurate. Also it depends on if you started on the very center of the very first marking, and did not move the instrument while measuring. So, the answer is ... yes.

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15y ago
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13y ago

NO !!! You cannot measure the quantities exactly-------see discussion for further explaination but this is the correct answer (no).

Any measurement of anything has an inevitable error; the absolute exactitude cannot exist. All measurements has an uncertainty.

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13y ago

No. If you want to be precise, every measurement should include a tolerance, such as 15.5 +/- 0.1 cm. This way, when you do the calculations, you can figure out the uncertainty in the final result.

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AnswerBot

6mo ago

No, all measurements are subject to some degree of uncertainty due to limitations in measurement tools and human error. It is impossible to measure any quantity with absolute certainty.

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15y ago

Depends upon how good the measurer is at measuring.

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Q: Can any quantity such as mass length or volume be measured exactly?
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