Decimal Expansion
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The decimal expansion of a number is the usual "base 10" representation of a real number.
Decimal expansion is an elementary-school-level concept. It is listed in the California State Standards for Grade 2.
Prerequisites
| Base: | (1) In a number of system, the base is the number of distinct digits used to represent numbers. (2) In a logarithm, the base is the number with respect to which the power operation is inverted to form the logarithm. (3) In a geometric figure, the term base is used to refer to the bottom edge or surface. |