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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.

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

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

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

3rd. Adding Decimals 5th - Adding and subtracting 6th - Dividing Decimals

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

Yes

The rule for significant figures is that when adding, subtracting, dividing, or applying any mathematical treatment, one cannot calculate a result that has more significant digits than that of the input with the least number of significant digits. This is because any result cannot be more accurate than the least accurate input.

adding subtracting multiplying and dividing

add them or subtract them, as appropriate!

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

Adding decimal same as adding whole numbers

They aren't. The rules are the same as those for adding/subtracting or multiplying integers. Just be careful of the decimal point's location.

First you write the decimals one under the other, in such as way that the decimal points are aligned.

Mostly geometry, adding, subtracting fractions and decimals.

Yes.

When you are adding and subtracting decimals, youare +/- ing the whole numbers and tenths in the number. the decimal might go away ex: 1.3-0.3=1 or it won't ex: 1.9-0.3=1.6

Yes, unless you are an expert.

Yes l

Make sure the answer is rounded to significant digits as well.

line up the decimal point when your adding and subtracting. add annex a zero when you have extra number. sometimes you can use a number line.

as many as needed to satisfy the accuracy needed.

Write them one above the other with the decimal points aligned.

you only line the decimals up when you are subtracting or adding not when you are multiplying im not sure about division...

The key would be to add (00.) before your decimal. IE 00.41 + 00.95 = 01.36