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What are the rules in adding decimal numbers?
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.
What is the rules adding decimal?
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.
Which of these rules is applicable to subtracting two values that have different numbers of decimal places for example subtracting 2.1 from 2.15?
None of the following rules are applicable.
What are two ways in which whole numbers and decimal numbers are different?
Whole numbers are a proper subset of decimal numbers. All whole numbers are decimal numbers but not all decimal numbers are whole numbers.
How many numbers are in a decimal?
Any amount of numbers can be in a decimal.
