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The number given of 11254 has five significant figures
2
5 of them.
Count the significant figures in each number. Calculate the minimum of these numbers. Do the multiplication Round the product to the LEAST number of significant figures, determined above.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
The number given of 11254 has five significant figures
3.774 is to 4 significant figures (count them)
2
5 of them.
Count the significant figures in each number. Calculate the minimum of these numbers. Do the multiplication Round the product to the LEAST number of significant figures, determined above.
Two - the trailing zeros are just placeholders.
There are 4 significant figures in 6.741.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
79,900
It depends upon how you got to the 12, for example: 28.6 - 16.6 = 12.0 Because each of the numbers that was used to get to the 12 had 3 significant figures, you should write the 12 with three significant figures also. However: 29 - 17 = 12 In this case, each of the numbers that was used to get to 12 had only 2 significant figures, so use only 2 significant figures in the 12.
4 of them.
The greater the number of significant figures, the greater the precision. Each significant figure increases the precision by a factor of ten. For example pi = 3.14 is accurate to 3 significant figures, while pi = 3.14159 with 6 significant figures is a more accurate representation.