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How line up multiply decimals?

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.


You have to make a board game for your math class about multiplying decimals and you need a name for the game what should it be?

Decimath?


What is the difference between multiplying decimals and multiplying whole numbers?

You do the multiplication in exactly the same way. The only extra thing is that when multiplying decimals, you need to place the decimal point (or decimal comma - depending on your country) in the correct position. If one number has, for example, 3 digits after the decimal point, and the other 4, you need to place the decimal point in the result (BEFORE eliminating unnecessary zeros) in such a way that there are, in this example, 7 digits (3 + 4) to the right of the decimal point.


What do you need to line up decimal points before comparing and ordering numbers with decimals?

You do not, but it is easier.


When and why do you need decimals?

You need decimals when you measure and fractions. You need decimals, because to measure and fractions. Also, so whole numbers could exist if there are decimals. There will be no math if there's no decimals.


How do you express 11.5 as a decimal?

This already is decimals. No need to convert anything.This already is decimals. No need to convert anything.This already is decimals. No need to convert anything.This already is decimals. No need to convert anything.


What is 14 times 25?

-14 x 2.5 = -3514x2.5_____70+ 280_____350 Since we are multiplying by decimals we need to look at the 2.5. The decimal moves over one space, so in our answer we need to move the decimal over one place. This makes the answer 35.0. Also since we were multiplying by a (-) we need to multiply 35.0 by (-) and get -35.0.


Why is it important to line up decimals?

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.


How do you convert fractions to decimals on a ti 85?

I need help in how to convert fractions to decimals


Are repeating decimals squared?

They can be but need not be.


How architects need the knowledge of decimals fractions and percents?

They need to know about decimals, fractions, and percents because they need to know the exact measures of the things they are designing.


How do you align decimals when multiplying?

You do not need to align decimal points when multipylng. You multiply the two numbers ignoring the decimal point but ensuring that any trailins 0s are present. The number of digits after the decimal point in the answer is the sum of the number of digits after the decimal points in the two multiplicands.