### How to round off to 3 significant figures - Jan 27, · How to Round to Significant Figures in Excel. Often you may want to round a value to a certain number of significant figures in Excel. You can use the following formula to do so: =ROUND (value,figures- (1+INT (LOG10 (ABS (value))))) where: value: The . To do rounding, you just have to begin with the first significant digit, which is the 7. Then, you ought to count to the right form there. The first four sig figs of , are the 7, the 4, the 2, and the 3. And, just to the right of the 3 is a 9; this value is . Jun 04, · Rules for Rounding off significant numbers. Here are some rules for rounding off significant figures. Let, we need to round off a number up to three significant figures. If the fourth significant digit is less than 5, then the third significant digit will remain the same. The rounding-off value of up to three significant digit is

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1.52 - Round off each of the following numbers to two significant figures: (a) 517 (b) 86.3May 20, · Learn how to round to three significant figures. You can adapt this method to other rounding of figures questions (i.e. 1 sig. fig., 2 sig. fig. etc.).More e.

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