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How do you apply the rules of significant figures in combined mathematical operations?

When performing mathematical operations with significant figures, the result should be rounded to the least number of decimal places in the original numbers. Addition and subtraction should be rounded to the least number of decimal places, while multiplication and division should be rounded to the least number of significant figures.


What is that answer to 6.35 m x 2.467 in significant figures?

15.67 When multiplying or dividing, the answer is rounded to the least number of decimal places as the number in the problem with the least number of decimal places. 6.35 has 2 decimal places and 2.467 has 3 decimal places, so you round the answer to 2 decimal places.


What is the least number that can be rounded of to 4.2?

Technically, 2.1, to the nearest 4.2 However, assuming rounding to decimal places, the answer is 4.15.


How is the number of digits determined for an answer obtained by adding or subtracting?

The number of digits in the result of an addition or subtraction operation is determined by the number of decimal places in the numbers being combined. The answer should be rounded to the least number of decimal places present in any of the numbers involved in the operation. For example, if one number has two decimal places and another has three, the result should be rounded to two decimal places. This rule ensures that the precision of the result reflects the precision of the least precise measurement.


What is the least decimal can be rounded to 0.75?

0.745


What is the least perimeter of a rectangle with an area of 32?

If you restrict yourself to integers, it's 24. If not, it's 22.63 rounded to two decimal places.


When you add or subtract what is the rule for determining the number of significant figures in the answer?

When adding or subtracting numbers, the result should have the same number of decimal places as the least number of decimal places in the original numbers. This is because in these operations, you are limited by the least precise measurement. Significance figures don't matter in addition or subtraction, only decimal places.


How many significant figures will there be in the answer to the following problem You do not have to solve the problem. 6.783 - 2.56 A. 5 B. 4 C. 2 D. 3?

The answer will have 3 significant figures. When performing subtraction, the result should be rounded to the least number of decimal places in the original numbers. Here, 6.783 has three decimal places, while 2.56 has two decimal places, so the result will be rounded to two decimal places, giving it three significant figures. Therefore, the correct answer is D. 3.


Rules on addition and subtraction of significant figures?

When adding or subtracting significant figures(sig figs), the answer will be significant to the same number of decimal places as the number with the least number of decimal places used in the calculation. Example: 12.44+1.6+133.887=147.927 ==>147.9


What is the least number that can be rounded off 4.2?

4.15 can be rounded off to 4.2 to one decimal place


What is the rule for significant figures after adding measurements?

When adding measurements, the result should be reported with the same number of decimal places as the measurement that has the fewest decimal places. For example, if you add 12.11 (two decimal places) and 3.1 (one decimal place), the result should be rounded to one decimal place, yielding 15.2. This rule ensures that the precision of the result reflects the least precise measurement involved in the calculation.


How do you round 25000 to two decimal places?

To round 25000 to two decimal places, you would first identify the hundredths place, which is the second decimal place. In this case, the hundredths place is the zero after the decimal point. The digit immediately to the right of the hundredths place is a zero, so we do not need to round up. Therefore, 25000 rounded to two decimal places is 25000.00.