It is the decimal part of a number.
The number place immediately to the right is the tenths place.
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Decimal
When you move a decimal point to the right you are multiplying a number by 10. For example, take 3.4. If you move the decimal point to the right you get 34. This is the same as: 3.4x10 = 34. Reversing this, you are dividing by 10 by moving the decimal point to the left. For example, take 73. If you move the decimal point to the right you get 7.3. This is the same as: 73/10 = 7.3. If you move a decimal point 2 spaces to the right, you are multiplying by 100, or more generally if you move the decimal point n spaces to the right, you are multiplying by 10^n.
The number after a decimal point is called a decimal fraction. It represents a portion of a whole number, with each digit's place value decreasing by a factor of 10 as you move further to the right. This allows for the representation of values smaller than one, such as tenths, hundredths, thousandths, and so on.
6.02 * 100 = 602. You move the decimal point to the right by the number of zeroes after the 1. So if you multiply it by 100, the decimal moves to the right by 2 spaces.
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