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Q: Do you line up decimal points when multiplyig?

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line up the decimal points, and add them

you have to line up the decimal points because you need to keep each place value in the same column so when you add or subtract you wont make any errors

It is easier to add up numbers. It may also be easier to spot errors where the decimal point is misplaced.

To add decimal numbers you line up the decimal points... _0.88 +0.035 --------- _0.915

You do not, but it is easier.

You line up the decimal points and subtract, and carry the decimal point down to the same position in your answer: 1.3

Line them up, one below the other, with the decimal points in the same column. Ordering them is then straightforward.

Line up the numbers in such a way that the decimal points are aligned. . Example: 567.89 - 23.4 567.89 - 23.4 ===== 544.49

It is irrelevant if multiplying or dividing decimal numbers. For addition and subtraction it is not sufficient: you need to line up the decimal points as well as the digits according to their place values. If you intend to simply align the decimal points then you may as well not bother. This is to ensure that addition or subtraction is carried out for digits with the same place value.

Line up the decimal points in a vertical column. Then add the numbers while ignoring the decimal point. Finally, put a decimal point in the answer in the same column as for the summands.

The lining up should be done in such a way that the decimal points are underneath each other.

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