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One of the rules of significant figures is that leading zeros are not significant; therefore, 0.00034 will only have TWO significant figures (3 and 4).
A negative times a negative equals a positive A negative times a positive equals a negative A positive times a positive equals a positive
the precision of the answer must have the same number of significant digits as the measurement with the least significant digits- the site explains the rules and how to identify significant digits
for algebra, + times + equals -, - times - equals +, add finally two different signs equal -. hope i helped!! :)
The rules of significant figures are as follows;1) Significant figures are the first digit in the number that isn't a '0'. Doesn't matter how far behind or in front of the decimal point it is.1st Significant figure of 5098 is 5000. The first number that isn't a '0'.When you get onto the 2nd is when it gets confusing. After the first significant figure, any number which comes after it is a significant figure regardless of whether it is a Zero.Thus the second significant figure of 5098, is 5000 too.And the third? Well, it's the third number in.So the third is 5090.In addition, you add significant figures like any other number. Due to the fact that it is rounded off, however, it will not be exact.
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But according to the rules of significant figures, the least number of significant figures in any number of the problem determines the number of significant figures in the answer which, in this case, would be 11.
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cytosine
Salient rules means those rules likely to have a significant effect.
rules for calculating S.F. are: 1,all non zero digits r significant 2,
Use the rules of significant figures to answer the following : 22.674 * 15.05. Answer: 341.2
all non zero digits are significant .2.zeroes betweenother significant.
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no
rules to follow in determining the number of sigificant * zero's are not significant at the end of the whole number which does not have a decimal point * EXAMPLE: 3400 ( 2 sf's) 2000 (2sf's)*
If they did not use rules all their calculations would simply lead to random digits!