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# Number 1: Properties and Symbolism

Created by
@PanoramicRabbit

• -1
• 2
• 0
• 1 (correct)
• ### What does the additive absorption element do to a number?

• Leaves the number unchanged (correct)
• Doubles the number
• Increases the number by 1
• Decreases the number by 1

• \
• ۱ (correct)
• -
• /
• ### In Roman numerals, what letter represents the number 1?

<p>I</p> Signup and view all the answers

### What does the number 1 often symbolize in many cultures?

<p>Unity, individuality, and beginnings</p> Signup and view all the answers

## Study Notes

### Number 1

• The number 1 is a numerical value that represents a single unit or quantity.
• It is the first positive integer and the multiplicative identity.
• In mathematics, 1 is a fundamental number used as a placeholder, a scaling factor, and a reference point for ratios and proportions.

### Properties of 1

• Multiplicative identity: 1 is the identity element for multiplication, meaning that any number multiplied by 1 remains unchanged (e.g., 5 × 1 = 5).
• Additive absorption: 1 is the additive absorption element, meaning that any number added to 1 results in the original number (e.g., 5 + 1 - 1 = 5).

### Symbolism and Representation

• The symbol for the number 1 is a single stroke or vertical line: ۱.
• In Roman numerals, the number 1 is represented by the letter I.
• In many cultures, the number 1 is considered a symbol of unity, individuality, and beginnings.

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## Description

Learn about the fundamental properties of the number 1, including its role as a multiplicative identity and additive absorption element, as well as its cultural significance and symbolism.

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