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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 :)
What else can I help you with?
What is 1 significant figure of 37.753?
37.753 rounded to one significant figure becomes 40
What is significant figure of 0.000169?
The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
How do you add significant figure?
There are a many great ways in which you could add significant figures. You could simply add them with math.
What is 2.5368 rounded to 5 significant figure?
2.5368 to 5 significant figure=2.5368
What is 37.699 to one significant figure?
Rounded to one significant figure it becomes 40
What does it mean to Evaluate a math expression?
evaluate means to figure out the value of something
What is 1 significant figure of 37.753?
37.753 rounded to one significant figure becomes 40
What is 6276 as a significant figure?
6276 as a significant figure would be 4 significant figures.
How do you write 1000 with one significant figure?
1000 is written with one significant figure, with only the 1 being a significant figure.
Significant figure 2.00?
The significant figure 2.00 has to do with the certainty of a measurement.
How many significant figures does 1 has?
It has 1 significant figure.
What is significant figure of 0.000169?
The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
What is 654 to 1 significant figure?
654 rounded to one significant figure becomes 700.
What is the significant figure of 78.00100?
The significant figure of 78.00100 is 78.00. It had 7 significant figures and a least significant decimal of -5.
What id the definition of evaluate?
To figure out the value or best use of something.
How many significant figures are in 0.3?
0.3 has one significant figure.
What is the 1 significant figure of 0.437?
Rounded to 1 significant figure it is 0.4
