Last updated on May 26th, 2025
This is a straightforward topic on expressing numbers as decimals. The concept of decimals is essential in mathematics, and it is useful to understand how numbers can be represented in decimal form. A decimal number consists of a whole part and a fractional part, separated by a decimal point. The numbers to the left of the decimal point represent the whole part, and those to the right represent the fractional part.
21000 as a decimal is simply written as 21000.0. This indicates that 21000 is a whole number and can be expressed in decimal form by adding a decimal point followed by a zero.
To convert 21000 to a decimal, we consider the standard way of writing whole numbers in decimal form. Since 21000 is already a whole number, we can write it as 21000.0 to explicitly denote it in decimal notation. The zero after the decimal point signifies that there is no fractional part.
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