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Q: Do you line up decimals when you multiply?

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You need to line up decimals for additional and subtraction. For multiplication, you don't need to line them up - in fact, it would serve no useful purpose.

line up the numbers and decimals multiply regularly then bring the decimal down

You can multiply to numbers with decimals

line up the decimals together

When you Multiply two decimals it is called the product.

Just make sure you line up the decimals

Yes!

Yes. Line up them up when you're adding, too.

Hey awesome Question. The answer is no you do not have to line up the decimals when multyping only when adding and subtracting. The main thing is when you multiply make sure you put the decimal in the right place in your answer. YOu count how may places their are behind the decimals in BOTH numbers then you make sure their are that many places behind the decimal in you answer. :)

No, it is not necessary. But it does help to be tidy.

line up the demials

39.63 +42.35 ------------ 81.98 Just line up the decimals and then add.

Blah blah blah

product

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

it affects because when you multiply you have to move the decimals to the left or right.......(helpful info)

So your value isn't wrong

Adding and subtracting decimals is easy. When you put the numbers one above the other, line up the decimals vertically and treat as you would any whole number just keep the decimals in line and bring it straight down to your answer.

You line up the decimals and simply subtract. Below is an example. 2.989-1.989= 2.989 1.989 --------- 1.000

you can line up the decimals

Annexing zeros is included in ordering decimals to even the numbers out so you can line the decimals up. I'm pretty sure that is the right answer...

Carpenters use decimals when they are measuring lengths that are not whole centimeters. They multiply decimals when calculating the area of surfaces.

That is because if you don't, you will get the wrong answer. It is ALWAYS important to LINE up the decimals.

You line up the decimals with the thousandths and put the decimal straight down from where it is and just add with the decimal in the same spot.

Convert one to the other.