## Questions and Answers

What does the decimal numeral system denote?

What is the extension to non-integer numbers of the Hindu–Arabic numeral system?

What does the term 'decimal' specifically refer to in the context of decimal notation?

What is the purpose of zero-digits after a decimal separator?

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What are the numbers that can be represented in the decimal system?

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## Study Notes

### Decimal Numeral System

- The decimal numeral system denotes a base-10 number system that uses digits from 0 to 9 to represent numbers.
- The decimal numeral system is an extension to non-integer numbers of the Hindu–Arabic numeral system.

### Decimal Notation

- The term 'decimal' specifically refers to the use of base-10 numbering system in decimal notation.
- In decimal notation, a decimal separator (e.g., period or comma) separates the whole part from the fractional part of a number.

### Zero-Digits

- Zero-digits are used after a decimal separator to represent fractional parts of a number.
- The purpose of zero-digits after a decimal separator is to indicate the precision or scale of the fractional part.

### Representable Numbers

- The decimal system can represent all real numbers, including whole numbers, fractions, and decimals.
- There is no limitation to the numbers that can be represented in the decimal system.

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## Description

Test your knowledge of the decimal numeral system and its notation with this quiz! Challenge yourself with questions about integer and non-integer numbers, as well as the Hindu-Arabic numeral system.