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A significant figure is a bit like a decimal place, in that just how a maths question may ask for the answer 'to 2 decimal places' it may also be answered to '2 significant figures'.
For example, say you have the answer: 3.1415926
To 1 decimal place it would be: 3.1
(because you round the 4 after the 1 down, because it is less than 5), because there is 1 digit after the decimal place (.)
To (a certain amount) of significant figures, however, means the total amount of digits/numbers in the answer, for example:
To 3 significant figures, the answer would be: 3.14 because there are now just 3 digits in the answer.
However, a '0' does not count as a significant figure if it is before/after a set of regular (1-9) numbers (but it does count if it is in-between).
For example: 0.00000454
This is still to 3 significant figures, because the '0's are before the other numbers, and so do not 'count'.
The same can be said for: 45400000000
This is still to 3 significant figures, because the '0's are after the other numbers, so they do not count.
However: 400045
This is NOT to 3 significant figures, because the '0's are IN BETWEEN the other numbers, and so they DO count as significant figures.
Hope I helped :)
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37.753 rounded to one significant figure becomes 40
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The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
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There are a many great ways in which you could add significant figures. You could simply add them with math.
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Rounded to one significant figure it becomes 40
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What is 1 significant figure of 37.753?
37.753 rounded to one significant figure becomes 40
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evaluate means to figure out the value of something
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6276 as a significant figure would be 4 significant figures.
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When expressing a number to one significant figure, you round the number to the nearest power of 10. In this case, 9862 to one significant figure would be 10,000. This is because the first digit from the left is 9, which is closer to 10 than 10000.
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1000 is written with one significant figure, with only the 1 being a significant figure.
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It has 1 significant figure.
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The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
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The significant figure 2.00 has to do with the certainty of a measurement.
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654 rounded to one significant figure becomes 700.
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0.004 has 1 significant figure.
