Q: What are the rules of decimal numbers?

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If there are any numbers which are integers and so do not have a decimal point, then append one at the extreme right. Then arrange all the numbers in a column, with their decimal points aligned. Ad up the numbers ignoring the decimal points entirely. In the answer insert a decimal point under the column of decimal points.

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.

None of the following rules are applicable.

Whole numbers are a proper subset of decimal numbers. All whole numbers are decimal numbers but not all decimal numbers are whole numbers.

Any amount of numbers can be in a decimal.

Related questions

If there are any numbers which are integers and so do not have a decimal point, then append one at the extreme right. Then arrange all the numbers in a column, with their decimal points aligned. Ad up the numbers ignoring the decimal points entirely. In the answer insert a decimal point under the column of decimal points.

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.

They are the same. The rules of arithmetic do not change simply because you choose to represent the numbers differently.

None of the following rules are applicable.

25 and nothing that had a decimal point well the number 369.3125 decimal. to convert to binary it worked fine the whole number 369 by justnumber by just dividing the desired base so since i wanted binary

Whole numbers are a proper subset of decimal numbers. All whole numbers are decimal numbers but not all decimal numbers are whole numbers.

The answer to an addition question should have no more decimal places than the smallest number of decimal places in the numbers being added. When rounding numbers, numbers 5 though 9 will be rounded up and 1 through 4 will be rounded down.

Any amount of numbers can be in a decimal.

All real numbers can be represented in the decimal system. Complex numbers can be represented by a pair of numbers in the decimal system.

Decimal numbers that can be expressed as fractions are rational but decimal numbers that can't be expressed as factions are irrational

They are the decimal numbers that can't be expressed as fractions.

Almost all numbers that we use in daily life are decimal numbers. The place value of each digit is ten times the place value of the digit to its right. And that is all that is required of decimal numbers. A decimal point is not necessary.