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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.
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What are the correct number of significant digits in the sum of 7.68 m and 5.0 m?
Only three significant digits are correct, because 5.0 contains no digit for hundredths, and such a digit would be required to give four significant digits in the answer. Because 7 + 5 equals exactly 12, a third significant digit is gained for the answer. Note in contrast that the sum of 7.68 and 0.50 would properly contain four significant digits.
What is the significant digit for this number 3.008?
Four - zeros between significant digits are significant.
What is 37.19 to one significant figure?
To one significant digit, 37.19 is 4x101. Writing it as 40 makes it unclear as to whether you have 1 significant digit or 2.
What is the least significant digit of 9200?
There aren't varying degrees of significance - either it's a significant digit or it's not. Nine and two are significant and the two zeros aren't.
How many significant digit are in 1000.000?
All of the digits are significant:Any digit after the decimal point is significant.A zero is significant if it comes between other significant digits.
What is the significant of 12 167and 10?
They all have 1 as the first digit.
How many significant figures are there in the number 12?
12 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
What are the correct number of significant digits in the sum of 7.68 m and 5.0 m?
Only three significant digits are correct, because 5.0 contains no digit for hundredths, and such a digit would be required to give four significant digits in the answer. Because 7 + 5 equals exactly 12, a third significant digit is gained for the answer. Note in contrast that the sum of 7.68 and 0.50 would properly contain four significant digits.
How many significant figures in 1.3000?
All digits are significant in this case. Any digit after a decimal point is a significant digit.
What is the position of the first significant digit of 0.00058?
The first significant digit is the 5, which is in the ten-thousandth's position.
Is considered a significant digit when it is to the left or the right of the decimal point and it follows a non-zero digit or when it is betwee two digits?
Zero is considered a significant digit when it is to the left or the right of the decimal point. It is also a significant digit when it follows a non-zero digit or when it is between two digits.
What is the significant digit for 1056?
Four - zeros in-between significant digits are significant.
How many significant digit are in 192.0?
4 significant digits.
What is the significant digit of 5789?
All four digits are significant.
What numbers are important in Significant figures?
All digit are significant except: leading zeros,in the case of integers, trailing zeros.All digit are significant except: leading zeros,in the case of integers, trailing zeros.All digit are significant except: leading zeros,in the case of integers, trailing zeros.All digit are significant except: leading zeros,in the case of integers, trailing zeros.
327 as one significant figure?
The number 327 to one significant figure is 300. The digit 3 is the first and only significant figure, and numbers after this digit are considered not significant.
What is the significant digit for this number 3.008?
Four - zeros between significant digits are significant.
