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The basic idea is that the final result should not be - or rather, appear to be - more accurate than the original numbers. Therefore, the final result should not have more significant digits than the original numbers you multiply or divide. For example, if one factor has 3 significant digits, and the other 5, round the final result to 3 significant digits.

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7y ago

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

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Q: When multiplying or dividing two numbers how many significant figures should there be in the answer?
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Related questions

How many significant figures are needed when multiplying two numbers?

It depends on the number of significant figures from two numbers you are multiplying. But when multiplying you use the same number of significant figures from the numbers you are multiplying with the LEAST number of significant figures. Example: 92,873.239 * 2 = 200,000 (because the number 2 has only 1 significant figure even tho 92,873.239 has 8 significant figures your answer still only has 1 significant figure)


When blank two numbers the result should have the same number of significant figures as the factor with the smaller number of significant figures?

multiplying


What is the significant figures for 13.5 x 3.00?

When multiplying, the number of significant numbers in the answer should be the same as the fewest significant figures in the problem. Both 13.5 and 3.00 have three significant figures, so the answer will have three significant figures. 13.5 x 3.00 = 40.5 exactly (no need to round).


How is multiplying and dividing rational numbers similar to multiplying and dividing integers?

did you get this off of big ideas learning


How is multiplying and dividing rational numbers similar?

Dividing by a non-zero rational number is the same as multiplying by its reciprocal.


How many significant figures will the answer to the calculation 65.25 37.4 have?

Three. There are no leading or trailing zeroes.


When multiplying and dividing rational numbers how do you know if you're into me positive negative?

It the signs of the two numbers that you are multiplying or dividing is the same, then the answer is positive, otherwise the answer is negative. Remember though, that division by 0 is not defined.


How do you use a tool for adding subtracting multiplying and dividing numbers?

calculator


How do you appropriate number of significant figures 1.25605 76.63?

The answer will usually depend on the number of significant figures in the numbers from which there numbers were derived.


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.


How many significant numbers does 231.57 have?

231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.


What are the rules in writing significant figures?

The rules in writing significant figures state that non zero numbers always significant. Zero numbers between the non zero numbers are also significant. Finally, if you write a number in scientific notation and you are able to get rid of the zeroes, they are not significant.