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How do you do significant figures when more than one operation is involved?
Wiki User
∙ 14y ago
It depends on the operation - for multiplication, the ammount of significant figures is the same as the multiple that has the least. Same for division. For subtraction and addition, the significant figures are decided by the least ammount of spaces past the decimal in the answer. For example, 30.7+2.111111111 would be 30.8
Wiki User
∙ 14y ago
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Why is volume reported in two significant figures?
The question is based on a fallacy. Volumes can be reported in any number of significant figures.
How do you use significant digits to determine how to report a sum or product of two measurements?
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
Does greater precision quarantee greater accuracy?
No. Stating more significant figures in a quantity doesn't guarantee that the figures are true.
What are the rules in performing operations involving significant figures?
You make you're calculations using has many (or more) significant figures as requested without any further considerations until you get to the final result... You reduce the final results significant figures to the requested one or add zeros at the end to match it if it is an exact result
Rules in determining significant figures in four fundamental operations?
The simple rule is: no more significant figures than the least accurate of the values in the computation. For multiplication and division, the result should have as many significant figures as the measured number with the smallest number of significant figures. For addition and subtraction, the result should have as many decimal places as the measured number with the smallest number of decimal places. (Rounding off can be tricky, but that would be another thread)
How many significant figures should 4.365733054945x10-19 be rounded to?
That depends on the context in which it is found, or the calculation(s) involved. It should have no more significant figures than the value with the least number of sig. figs.
Are significant figures related to precision?
Yes, significant figures in a measurement represent the precision of the measurement. The more significant figures a measurement has, the more precise the measurement is considered to be. Significant figures help communicate the level of precision in a measured value.
How is precision related to the significant figures in a measured quantity?
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.
How do you use significant figures in a sentence?
You just did. Here's two more: The number 303 has three significant figures. George Washington and Thomas Jefferson were significant figures in the American Revolution.
Why is the volume reported in two significant figures?
It varies. Volume may be reported with more or less significant figures. However, in general the result should not have more significant figures than the underlying data - otherwise, it would look more accurate than it really is.
Why are significant figures used and how are significant figures obtained?
Significant figures are used to receive a more accurate number. To obtain the number you you multiply or divide the quantities, leave as many significant figures in the answer as there are in the quantity with the least number or significant figures. If adding or subtracting quantities, leave the same number of decimal places in the answer as there are in the quantity with the least number of decimal places
Why is volume reported in two significant figures?
The question is based on a fallacy. Volumes can be reported in any number of significant figures.
How many significant figures are in the number 120?
A significant figure is basically counting how many digits there are: In this case this number is to FOUR significant figures because there are FOUR digits. Here's some more examples: When you have zero's in front of the number, these do not count as digits: so, if you had 0.0034, you only count the 3 and 4 as digits so this would be to TWO significant figures. However, if you have 0.003404, you must count the zero in between the two four's because this is part of the number - there are FOUR significant figures here.
How many significant figures should be reported in the answer -2.006?
The number -2.006 should be reported with four significant figures. This is because all non-zero digits in the number are considered significant, and the zeros between the decimal point and the non-zero digit are also significant.
How do you use significant digits to determine how to report a sum or product of two measurements?
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
How many significant figures are in temperatures?
Temperatures are typically measured with 1-2 significant figures, as precision beyond that is usually not needed for everyday purposes. However, in scientific contexts, temperatures can be measured with more significant figures depending on the sensitivity of the measuring instrument.
A student calculates the density of an unknown solid The mass is 10.04 grams and the volume is 8.21 cubic centimeters How many significant figures should appear in the final answer?
The final answer should have three significant figures as dictated by the measurements provided (10.04 grams and 8.21 cubic centimeters). The result of the calculation cannot have more significant figures than the least precise measurement.
