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Yes, significant figures in a measurement represent the precision of the measurement. The more significant figures a measurement has, the more precise the measurement is considered to be. Significant figures help communicate the level of precision in a measured value.
the measured quantity with the least number of significant figures. For example, if you multiply a quantity with 3 significant figures by a quantity with 2 significant figures, your result should have 2 significant figures.
The least count of a measuring instrument is the smallest value that can be measured with the instrument. It determines the precision of the measurement. Significant figures, on the other hand, are the digits in a number that carry meaning about the precision of the measurement. The number of significant figures in a measurement is related to the least count of the instrument used to make that measurement.
4 significant figures.
There are two significant figures in the measurement 210 cm.