39
The measurement of the keyword "length" typically has an infinite number of significant figures, as it can vary in precision depending on the context and measuring instrument used.
When performing addition and subtraction operations with measurements of different significant figures, the result should be rounded to the same number of decimal places as the measurement with the fewest significant figures.
It only has 3 significant figures, 863.
All five of them
A significant figure in a measurement is a digit that carries meaning contributing to its precision. It includes all the certain digits plus the first uncertain digit. The number of significant figures indicates the precision of the measurement.
There are 5 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 3 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 3 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 3 significant figures in this measurement.
There are 3 significant figures in this measurement.
There are 4 significant figures in this measurement.
There are 2 significant figures in this measurement.