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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.

Q: When and why do you need decimals?

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Accountants use decimals by simply dividing the fractions and getting a decimal number. One does not need to be an accountant to use 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 determine the least to greatest in decimals by using their leftmost unit. The decimal 0.2 is less than 0.3. To determine fractions, you need to first convert them to decimals.

to be honest i need the same answer and i don't get how to do anything with decimals!

Its for good puposes

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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.

I need help in how to convert fractions to decimals

They can be but need not be.

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

Accountants use decimals by simply dividing the fractions and getting a decimal number. One does not need to be an accountant to use decimals.

Yes.

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.

2.778 IS in decimal form. You do not need to do anything.

Convert the repeating decimals into fractions, and then add those. If you need it as a decimal, then you can just convert the product back into a decimal!:)

You determine the least to greatest in decimals by using their leftmost unit. The decimal 0.2 is less than 0.3. To determine fractions, you need to first convert them to decimals.

It is 26888000 and there is no need to put a decimal point at the end.

because they don't know how to use decimals