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int num = 12345;

int lastDigit = num % 10; // = 5

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15y ago
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10y ago

It is optional. I prefer reporting " reasonable " digits.

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Q: When you are making measurements how should you estimate the last significant digit?
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Related questions

When multiplying or dividing measurements how many significant figures should the answer contain?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


How many significant digits go in a calculated answer?

Out of all the measurements used in the calculation, find the one with the least number of significant digits. This will be the limiting factor of how many significant digits the answer should have.


To three significant figures, the measurements 0.02507 g should be reported as?

The measurement 0.02507 g should be reported as 0.0251 g.


How do you read a ruler to the proper number of significant figures?

A ruler or scale should not be read to less than the smallest graduation. In practice, in-between measurements can be estimated but they are not significant.


Is it true that an answer is as precise as the most precise measurement from which it was calculated?

Yes, the precision of an answer depends on the precision of the measurements used in the calculation. The number of significant figures in the answer should match the least number of significant figures in the measurements.


In adding the measurements 11.074m 18.2m and 16.943m what should be the number of significant figures in the result?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


To three significant figures the measurements 0.02507 g should be reported as?

to .0251 grams or 2.51 x 10-2 grams


In adding the measurements 11.074 m 18.2 m and 16.943 m what should be the number of significant figures in the result?

Three significant figures: two before the decimal point and one after.


Would you expect the measurements to be comparable in both preparations?

It depends on the characteristics of the preparations being compared. If they are both standardized and follow a similar protocol, then the measurements should be comparable. However, if there are significant differences in the preparations or protocols used, the measurements may not be directly comparable.


What determines the number of significant figures in density calculations?

The accuracy of the measurement device determines the number of significant figures that should be retained in recording measurements.


How should measurements be made when gathering data?

measurements should be made precisely to ensure accuracy (:


Why monitoring should be done before evaluation in business?

You can only evaluate what you have measured (or you are just making things up). Monitoring is the process of obtaining measurements.