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Q: Why is it important to line up the decimal points when adding or subtracting but not when multiplying?

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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.

only when adding and subtracting

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

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To answer this question we need to know if you are multiplying, adding, subtracting, or dividing. If you are adding it would be 94. For multiplying it would be 1248. If subtracting it would be negative 62.

adding subtracting multiplying and dividing

adding, subtracting, multiplying, dividing

Because if you dont , your answer will be a whole number and that will make your answer wrong

Same as adding, multiplying, and dividing.

math is adding, subtracting, multiplying, dividing, angles and more

Nope, just when adding or subtracting.

calculator

Adding, subtracting, multiplying, dividing, and measuring

That would be called the operations.

by adding, subtracting, dividing, and multiplying.

adding x*0.10 or multiplying by 2 and subtracting 90% of half

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.

This is effectively the same as lining up the decimal points when adding or subtracting ordinary decimal fractions.

Adding or subtracting zero cant, multiplying or dividing by zero can.

a calculator what r u havin trouble with

When adding- yes When subtracting-no When multiplying-no When dividing-yes

This is true for adding and subtracting ALL numbers, not just decimal representations.

You have to line up the decimal when adding but not when multiplying. Example: This one is adding 23.56+89.45 23.56 89.45 This one is multiplying 23.54*4.506 23.54 4.506

BrawlFucker

Adding decimal same as adding whole numbers