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What are the rules in multiplication and division of significant figures?
The accuracy of the answer is limited to the LEAST significant figures of the input. So if two measured quantities are multiplied or divided, one of which is accurate to only two significant figures, and other to six significant figures, the answer is only accurate to two significant figures. HOWEVER: use all the figures you have for the calculation, and then round your answer to two significant figures. Also, however, remember that if you are multiplying by an actual exact number, as in doubling, the significant figures of that 2 is unlimited, so the answer is only limited by the significant figures of the number you are doubling.
How many significant figures in this number 0.115?
Three significant figures are in this number.
What will be the significant figures if you multiply 400 times 185?
When multiplying numbers, the result should have the same number of significant figures as the original number with the fewest significant figures. In this case, 400 has one significant figure, and 185 has three significant figures. Therefore, the result of multiplying 400 by 185 will have one significant figure. The answer would be 70,000.
How many significant figures are in the number 31.6901?
There are six significant figures in this number (i.e. all the figures here are significant).
How many significant figures are in the number 10.01?
There are 4 significant figures in this number.
