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Q: Significant figures adding and subtracting
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How do you decide how many significant figures the answer should have when you are adding and subtracting?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


How do you determine how many significant figures to keep in an answer obtained by adding and subtracting?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


What determines the number of allowed significant digits when adding or subtracting?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


What is the rule for significant figures when adding or subtracting decimals?

When adding and/or subtracting, your answer can only show as many decimal places as the measurement having the fewest number in the decimal places.


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


When you're adding numbers how many significant numbers are there?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


What must each number have when adding and subtracting scientific numbers?

same number of significant digits


In adding the measurements 11.074m 18.2m and 16.943m what should be the number of significant figures in the result?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


How are adding and subtracting fractions similar?

Subtracting a fraction is the same as adding its negative.


How many more is subtracting or adding?

subtracting


Is sum adding or subtracting?

adding


What are the operation of polynomials?

Adding and subtracting polynomials is simply the adding and subtracting of their like terms.